Crime scene analysis

Profile of an Arsonist

Early Life of an Arsonist

The lawbreaker begins their career at a young age. The child shows a lack of impulse control and poor supervision. They’ll use lighters or matches to burn objects lying around the house. When confronted the parents will deny the kid had any part in it. As they get older the offender might lack the ability to cope, solve problems, and has difficulty communicating their feelings to others. The youngster uses fire to deal with emotions, possibly ask for help. The police classify this as troubled arsonist. They’ll feels no remorse over the damage and denies the act. Without help, it leads to delinquent torchers.

The adolescent will be a risk taker, have behavior problems and despises authority figures. The lawbreaker’s probably been neglected and abused. The child uses firecrackers, smoke bombs and accelerant to start outdoor fires, under the guidance of peers. The parent’s sees there’s a problem and tries to seek help. Without the needed assistance, the career may progress to strategic fire starters.

By now the kid’s been in trouble with the law but doesn’t take it seriously. They brag about the offense, in order to feel better about themselves. Delinquent may be gang affiliated, and uses drugs, alcohol often. The wrongdoer has assistance. The fires follow other crimes and is planned. The motive’s revenge and property destruction.

Pathological Torchers

They usually have a high IQ’s, but stays by themselves a lot. The wrongdoer suffers from behavior, emotional problems and health issues. They’ve been abused sexually. The fascination began as a child. They’ll cause extensive damage.

Organized vs Disorganized

An organized utilizes various devices. The wrongdoer plans ahead and seldom leaves little if any evidence. Disorganized employs whatever’s handy, using some type of accelerant. Detectives find clues. For instance: timers, fibers, lighter, pieces of glass, fingerprints, shoe prints, or matches.

Types of Arsonists


This includes mischievousness and wildfires. The perpetrator’s unemployed lives at his parent’s home and had trouble at school. The building he chooses to break into, start the fire is within a mile radius of his home. Since these aren’t planned, the criminal utilizes what’s available and always leaves evidence. The lawbreaker seldom returns, if they do, they’ll stay a distance from the structure.

Excitement Torcher

The motives attention seeking, thrill seeking, or for sexual satisfaction. Some do it for recognition, or to prove a point. The predator’s age ranges from eighteen to early thirties. They’ve had trouble with the law over minor crimes. The offense’s committed in their comfort zone. The person may stay after to watch, possibly record the event.  It can be brush or structural.

If it’s set for sexual gratification, the perpetrator’s unemployed, lives in his parent’s house and is sexually inept. The predator uses accelerant. Semen and feces are found at the scene.


This fire’s to right a wrong and it can be one or numerous acts. Multiple fires are seldom planned. The motive can be personal, social or organizational. If the crime’s for personal reasons, the perpetrator knows the victim and they’ve had a recent argument. There can be a history of domestic violence or an affair. The predator chooses personal belongings that burn easily. Investigators look at the selected material to determine the gender. Since a lot of emotion behind the offense, it’ll be disorganized. Organizational is a former employee or the person’s dealt with the institution.

A social arsonist sets numerous fires. They’re generally male and has a blue collar job. He either stays to himself or has difficulty with long term relationships. The person had past convictions for vandalism, theft, burglary. He may use drugs or alcohol. Once the task begins, he never returns. The act pleases him, but it’s short lived.

Crime concealment

This arson’s committed to cover up evidence and weapons from a burglary, murder, auto theft, or possibly to destroy paperwork. The offender uses drugs, alcohol beforehand and has a criminal history.


It’s done for monetary gain and includes frauds. Other motives might include eliminating opposition and escaping debt. This occurs when the beneficiary’s struggling financially. More than one person’s responsible for the offense and is always planned. The perpetrator employs different devices or accelerants. The investigators determine the area where there’s the most damage, to find the motive. The leader’s male, he doesn’t have a police record. The partner’s between mid-20 to early 40’s has a criminal history of burglary, assault, and possible arson. Commercial arsonists for profits generally part of an organized crime used to scare, or for the purpose of extortion.


This is utilized for religion or political beliefs. The crime’s organized and several works together. They plan in advance and employ devices, or bombs. These predators may leave items that’ll explode after the initial act. The group leaves a message at the scene or use the media to claim the misdeed and explain the rationale behind the actions.

Law enforcement breaks it down into two subcategories they’re riot and terrorism. Riots happen after a high-profile crime, court hearings and at some sports events. Vandalism and looting are involved. The motive for terrorism is to instill fear and to rebel. The terrorist chooses significant targets like; government offices, airport stations, and military bases.

Crime scene analysis

The Profile of a Mass Murder

The FBI breaks this tragic event into four categories; Genocide, serial, spree and mass murder. Genocide is the destruction of numerous individuals for religious, personal, political, or ethnic beliefs. Serial homicide’s the slaughtering of 3, or more at different times and locations. Spree murders are when three or more people’s killed in varies areas, with little time between the executions. Mass homicide’s three or more massacres during one event. A mass and spree assassin may prepare for the homicides months in advance, but seldom plans the escape.

There’re several motives behind the executions. Some kill for personal beliefs, or political reasons. Another reason’s revenge. The retaliation isn’t necessarily aimed at their targeted victims, but against others who he feels has wronged him. Revenge seekers collect weapons and often acts, dress like a soldier.

Others include power, self- gratification and fame. The offenders wanting power and control dressed in military gear and use assault rifles during the attack. Self-gratification and fame seekers destroy out of passion, to prevent suffering, or eternal damnation. They’ll be the one responsible for the victim’s well-being, father, husband or leader. Occasionally the perpetrator leaves a note explaining the rationale.

There’s a variation in the profiles because most either commits suicide or is killed by a cop afterwards. If the predator’s captured, they’ll show no remorse, display a callous who cares attitude, giving the police little assistance.

Some studies show the assassin comes from a broken home and may, or may not have a mental disease. The killer’s usually a white male, ranging between the ages of 20- 30, a few in their 40’s and 50’s. He generally stays to himself, has few friends and is mobile. They’re good students, don’t have a police record and has never been diagnosed with a mental illness. The crimes he commits stems from years of built up emotions.

Other studies show the mass murders are psychotic, delusional or have depression issues. The target resembles people who wronged them. Sometimes the similarity’s only in the criminals mind. The killing spree may begin after a crisis has occurred. Loss of a family member, partner, job. No drugs or alcohol was consumed beforehand.

The younger perpetrators have few friends’ shows antisocial behavior. They’ve either had a recent loss, was bullied in school and used drugs and/or alcohol before the execution.

The FBI’s grouped the varies assignation techniques into six basic categories, they are; Annihilator, school shootings, disciple, disgruntled employee, Pseudo- command, set and run

 ANNIHILATOR Generally the oldest boy kills everyone in the family at the same time. He could wait for the family to arrive, or go to them. Afterwards the criminal commits suicide, or he’ll be killed by an officer. He has mental issues and displays odd behavior. The predator usually doesn’t execute strangers and motive’s unknown.

School Shootings. Most perpetrators are bullied in school, suffered a recent loss, failure and had weapons training. The chosen location’s a place where safety’s taken for granted. This assassin often tells someone about the attack before it occurs. The individual won’t be the victim, or be associated with the area.

Disciple The leader generally stays in one area, but can move to different locations. His victims are chosen randomly, or he selects the ones that symbolize someone. Once the group’s chosen, the originator will order his disciple to either use guns, biological weapons, poison or gas to assassinate his entire crew, leaving himself as the sole survivor.

Disgruntled employee. This occurs after someone lost their job or is placed on leave of absence. The assailants walk around looking for a specific person, slaughtering others who’s in the way. The motive is unreasonable, unfair treatment. Sometimes obsessive-compulsive disorder may be present, but not psychosis.

Pseudo- command. The predator cautiously plans his attack well in advance, while collecting varies weapon. During the planning, he sees the project as a fantasy and will go through different stages. He first believes it’s for revenge, then he see himself as a hero, saving the world. Lastly, the criminal imagines the act and soon after the massacre begins.

He usually has only a few friends and tends to be mobile. The victims are randomly selected. When captured, he’ll believe he’s an icon for attempting to make what he believes is a needed change and hope others will follow his example.

Set and run. This type of killers uses explosives that they plant, designate and run to a safe location. Others might inject poison into consumable items. The motive’s fame.

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Crime scene analysis

Profile of a Serial Killer

Serial killers target 3 or more people within their criminal career. It can take day’s weeks, months, or years. There’s always a cooling off period in between each of the crimes. The amount of time depends on the individual and usually decreases as the perpetrator progresses. When captured, the predator won’t show remorse for his victims or the families.

The motive can be anger, momentary gain, self-gratification, attention seeking, revenge, power, and control.  Revenge and self-gratification seekers generally choose specific people. He’ll dissociate, get revenge on someone who resembles the person who did them wrong. Many dehumanize, take away human powers, placing it on other smaller objects.

The killer may or may not have psychotic episodes. Some hear voices saying certain people are bad, and will cause harm if they’re not destroyed. While others claim aliens, animals, or some other object told them to do it. Murderers who have mental illnesses are disorganized because they’re unable to plan ahead.

Most have below average to average intelligence come from a home where the parents are divorced, or there’s a breakdown in the family dynamics.  They’ve usually had an abusive childhood and often has attachment issues. They’ll probably wet the bed past the age of 12, harm small animals and is fascinated with fire. The child’s bullied in school, causing social isolation. The child may create a fantasy world, one he can control and feels successful. The two worlds collides making it difficult if not impossible for the child to distinguish between fantasy and reality. It’s in this world they’re able to kill without remorse, or guilt.

An organized serial killer carefully plans the killing. He’ll generally have a comfort zone where he chooses the target and the crime scene. They’ll move these victims to another area when the task is completed. Knowing basic forensics, the criminal will leave few clues. He’ll follow the media and frequently interjects themselves in the investigation. They’ll have friends, family, a steady job, making it hard to believe the perpetrator committed these crimes. Once caught police find they’re proud of their accomplishments.

Disorganize has an IQ below normal. They don’t plan ahead, making the prey and weapon choice random. The person’s unemployed stays to himself a lot and has few if any friends. Many are known to suffer from a mental illness. He can become extremely violent both physically and sexually and possibly has necrophiliac tendencies.

The next two types of serial killers are mercy and visionary. Mercy killers are often found in health care settings. They’ll target a sick patient because he doesn’t want to see the person suffer. Some want to save the victim from abomination. While others want to gain money, power, and control. Visionaries are the ones who have a psychotic break. They kill in order to get rid of a certain subset of people.  Jack the Ripper might be considered a visionary because he murdered prostitutes.

Lust killers can be organized or disorganized. The motive is sexual fantasies, fetishes, and symbolism. The amount of satisfaction received depends on how much the predator tortures, brutalizes and dismembers the victim. The target could be either alive or dead during the sexual acts. The murderer uses knives, strangulations, and physical abuse to kill.

An organized lust murderer has above average intelligence and no previous convictions. He’s in his thirty’s married. has children and lives in a low crime area. The perpetrator plans every detail in advance. He’s mobile, carries his tools with him and lures his victim. They use violence to degrade and kill his prey, which he’ll find sexually satisfying. The predator takes the victims to a secluded place, somewhere he can have complete control, without having to worry about the interruption, or being caught.  He’ll torture, beat and rape the victim, possibly for months. This type of criminal uses scares tactics to increase the person’s fears and his own sexual arousal. As the murder progresses the time between crimes decreases while the torture and mutilation increases.

Disorganized murder has below normal IQ and lacks social skills. He’s usually immobile so he targets victims close to where he lives, works. He chooses his prey randomly and his crime’s done on impulse.


Profiling a Female Serial Kiiler

Criminal profiling helps the police narrow down a suspect list, get a better understanding of who they’re dealing with, and help them capture the criminal. When mystery writers utilize this tool, they’re able to build strong believable characters. One character that plays an extensive role in mysteries is female killers, and this is what we’ll discuss today.

To be classified as a serial killer, the predator has to kill at least 3 people at different points in time. They might murder a few at one time, but it’s never a large amount.

Looking into the killer’s background you’ll see the criminal came from either a broken home or dysfunctional family. There will some type of abuse involved, whether it’s mental, physical or sexual. You’ll usually find they first started by killing small creatures and committing petty crimes.

Former female serial killers use to stage the deaths to resemble an accident. While others made the death seem like it’s the result of an illness or natural causes. She’ll know the victims and the motive’s generally for monetary gain.

Law enforcement’s noticed a change in this trend in the late 70’s. Although poison remains top on the list. Statistics shows that 20% of the women shoot the victims, 16% suffocate them and 11% stab their prey.

The motives have changed as well. Now the objectives might include attention seeking or revenge. Some kill for power and control. Unlike the males, police find sexual and sadistic intentions are rare. The officers also noticed they’ll occasionally team up with a male murder.

Their career can last up to eight years. The crime’s generally organized, planned. They know who they’re going to target, how it’ll be done and what equipment’s needed. The murder often fantasizes about killing for a lengthy amount of time, before she acts on the compulsion.

Their illusion first begins with random people. The predator conjures up numerous ways to kill and hide the bodies. The perpetrator will research the subject and add the knowledge into the dreams. They’ll start imagining everything about the desired action, right down to the most gruesome details. Many soon find these fantasies reduces stress and makes them feel like they have the ability to regain power and control over her life.

Once she realizes how evil her dream is, she’ll try to stop it, but finds it an impossible task. This frustrates her which causes the dreams to increase, now targeting a specific person. She’ll obsess over every little detail about what’s going to happen before, during and after the murders. The performance will continually play in her mind sending her in a hysteria until she has no choice but, to act on it. When it happens, she’ll choose a victim that’s an easy target. It could be a small child, a family member, or a sick friend.

Committing the murder is easy, since she knows every detail by heart. Once the murder’s performed, regret soon follows. The disappointment isn’t caused by guilt or remorse, it stems from the real murders not living up to her expectations. The perpetrator often wants the person to suffer a long, agonizing death, or expected the scene to be more gruesome. With these desires in mind, they’ll study the methods and try to figure out ways to make the crimes to satisfy their needs. Like the male counterparts, as the criminal progress, gain confidence the killings become horrific.

I’ve written two books on female serial killers they are; Bittersweet Revenge and Town Slayer. Bittersweet Revenge is about an abused child who swore she’d get even with everyone who hurt her. Years later, she’s lurking in the cold, dark shadows, watching, and waiting. Soon she’ll get revenge.

Town Slayer is about a battered wife, who after years of her husband’s brutal torture, and abuse decided to rid the world of all the sadistic husbands.

You can find free a free preview of these on my website at

Crime scene analysis

Profile of a Robber

On the average 5,760 robberies occur every day. This continuous occurrence is one reason why so many writers choose to utilize this type of crime in their stories. What is the average age, intelligence and social intellect of robbers? How are these robberies carried out? You’ll find answers to these questions and more in the following paragraphs.

General Overview

Most robbers are under the age of 30. They have an antisocial personality disorder, showing signs before their 15th birthday. These signs include: fighting, skipping school, stealing, and lying. In addition, they have trouble with authority figures. As an adolescent, they’re promiscuous, drink heavily, use drugs. This substance abuse problem lasts their entire life and is generally the reason why they commit this crime. As an adult, they could be married or single. They’ll have trouble holding down a job and residency for over a year and continually disobeys the law. They can become violent if provoked, especially if they’ve had a past record of violence.

Bank Robbers

A small percentage has partners, most works alone. They’ll accomplish their task by handing the teller a note, The FBI refers to this as a note job. They’ll be so inconspicuous that other customers may not know what’s going on. The teller will give them a small amount of money and they’ll leave quietly.

Residential Burglars

They work alone, in the daylight hours, when everyone is at work, or running errands. First they’ll scope out the area, looking for security signs, dogs, open windows, and neighbor locations. Once they’ve chosen the house they’ll observe persons schedule and plan accordingly. This type of rubber can be violent if provoked, or if the victim uses violence to escape.

Home Invaders

These criminals generally work while people are home. Their victims are usually females living alone, seniors, and drug dealers. The thief searches for victims in public places, looking for people who dress nice, wear expensive jewelry, or drive a nice car. Occasionally the police will find the thief was in the victim’s home previously to deliver or repair something.

Once potential victims are spotted, both the robber and their partner will follow the person home. The robber will often disable the phone line, then barge into the house through the garage, or a front door. They might knock on the door, hoping the resident will answer. They could possible impersonate someone to get the homeowner to open the door.

Once inside, they’ll use scare tactics to get the victim to do what they want. They often carry tools like rope, tape, handcuffs, and weapons. They could spend a long time in the house, possible eating, napping, or watching TV. Home invaders often tie up their victim; load their stolen treasure in the home owner’s car and leave.

Sometimes the robber will take the victim to the bank to withdraw money, or force them to rob businesses.

Armed Robber

The FBI breaks these masked robbers into four subcategories they are: chronic, professional intensive and occasional.

The Chronic Armed Robber

This thief started his cranial career around 12 with their first conviction around 14 and armed robbery at 17. They continue their robber career for approximately 8 years committing a maximum of 25 robberies, in addition to other crimes. They plan their crime for only a few days. The money they receiver’s used for drugs, alcohol, cars, and vacations.

The Processional

This lawbreaker begins their criminal career around 13 with their first conviction in 16. After months of preparation, they use an automatic weapon to commit their first armed robbery around 17. Their robbery spree lasts up to 12 years, totaling a maximum of 50, in addition to other offenses. They spend their proceeds on bills and could take a hostage.


The robber’s first offense and arrest are 18, their first armed robbery at 25. They generally pursue their law breaking career for a few months. They commit a maximum of 10 armed robberies with few other crimes. They plan briefly. They may have a loaded gun, but seldom use it. They use the money to pay off debts and to go clubbing.


They usually start at the age of 13 with their first arrest at 15 and first armed robbery at 20. Their criminal career lasts two years committing a maximum of 6 armed robberies. They specialize in other crimes like carjacking, fraud, drugs, and burglary. They have poor planning skills and don’t carrying a weapon or wear a mask. Their proceeds are spent on drugs, alcohol, and vacations.

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Crime scene analysis

21 Items Investigators Use to Solve Crime

Investigators rely on more than just evidence to solve crimes. The officers often incorporate reports, victimology motive, signature, and location. They first start by looking for clues. A weapon, fingerprints, footprints, gun shell casings. The detectives look for misplaced and missing items, jewelry, watches, purse, silver and other valuables

Looking over the evidence again, the detectives try to figure out what took place by answering the following questions

  1. How was the victim approached?
  2. Did the perpetrator take a risk?
  3. Do they know the assailant?
  4. Was there a struggle?
  5. Did the murder have complete control?
  6. Did it escalate as it progressed?
  7. What sort of weapon was used?
  8. Why did murderer choose the weapon?
  9. How was it used?
  10. Is the crime staged? What’s the killer trying to say?
  11. Was it planned? If so, how much planning was involved? This tells the police a lot about the predator’s intellect, mental stability, and motive

Remember a less experienced criminal leaves more evidence behind than a career criminal would. So the police often determine the type of skill by the amount of clues.

12. The officer looks at the time of day and the location. This helps locate the perpetrator’s comfort zone possible where they live, work. It could also tell them about the perpetrators personal habits, schedule, and mobility.

13. The detectives try to figure out how it occurred, the signature. The murders may increase in intensity, skillful, and less sloppy, as the criminal builds confidence, but the signature usually remains the same. Once found they try to find other similar unsolved cases.

14. The investigator checks colleague’s reports. The autopsy report specifies the time and cause of death. Witness reports might contain clues.

15. They’ll look at the wound pattern and decide possible weapons, the force it took to create the wounds if it’s from a close range or a distance. If the victim was cut, was it a random stabbings, or targeting to a specific area. The information tells the police if the suspect has the medical education and possible motive.

16. The detective looks for defense wounds. Bloody knuckles, broken nail. The crime lab will check for skin tissue or fiber under the nails. They’ll examine the person’s clothes for any loose hair, fibers, or other foreign material.

17. An investigator will, taking into account how the person was found. The information tells them whether the killing was out of passion, hate, revenge, and if the killer felt remorse. It can also determine whether the predator felt he had complete control over the situation. If he’s rushed or felt he had time to position the body.

18. The officers look into the victimology, starting with personal appearance. Such s hair color, eye color, skin tone, height weight. Investigators will talk to the deceased’s family to find out more about the victim’s life. Where did the person work, their friends, where they hang out, any enemies, anyone with a grudge, normal routine? This helps them figure out how the perpetrator chose them.

19. If there’re a couple of crime scenes have the investigators compares the victimology and try to find similarities. These facts help determine whether they’re targeting specific subsets. When predators kill certain people. The group represents someone in their life. Perhaps an abusive parent, babysitter, sibling. It could be someone who they feel abounded then, did them wrong.

20. Use the information to build a profile. Be sure to include: height, weight, body build, and sex. These facts can also give your readers a general idea of the murder’s work history, education level, skill, aggression level, mental illnesses, marital status, race, and motive.

Generally speaking a male killer has a low social economic status, single, has a drug or alcohol problem, and has suffered a loss. Normally someone in the household has been in jail. He could’ve had past convictions, difficulty at school, gets into fights, sets fires, wets the bed at a late age and has shown aggression towards small animals.

A Female perpetrator comes from either divorced parents or from a dysfunctional home. They’ve been abused mentally, physically or sexually longer than a male predator. She has a family member who’s been in trouble with the law but doesn’t necessarily have a past criminal record.


How to Write a Murder Mystery Story

A general story starts with a problem or goal, something that the protagonist wants to or has to accomplish. A mystery’s geared around a crime. So first choose which one your character’s going to commit.

Next, build a character around this. In order to make the person believable, you should do a little research.  A connection I found useful is

With a basic profile in mind, imagine how they’ll walk, talk, act and dress. What’s their general appearance? Include the family, friends, and influences? Is the criminal married, have children? What’s their likes, dislikes, interest and hobbies? Where do they work?

What is the motive? Is it out of jealousy, rage, revenge, envy, or greed? Maybe the crook needs money or some other valuable item and the only way to get it is to steal.

Who’s going to be the targets? Is it a random, or someone the murder knows? How and why did the character, choose them?  This takes us to victimology, the victim’s personal information. The information should include; family, friends where the deceased worked, habits and places they visit. If they’re two crimes that have the same motives, the detective might compare the information looking for similarities.

Another thing for the detective to consider is whether they’re high risk or low risk for becoming a target. If the person drinks a lot, uses an excessive amount of drugs, and goes to numerous parties. The behavior puts them at high danger. Low risk would be someone who has a steady job, lots of friends, family, and is well-liked by the community.

The detective could look into how, where the victim was approached, preparation, skills the perpetrator needed and what type of chance the lawbreaker took. How they’re approached tells the police a lot. If the person’s persuaded then the criminal is thought to have good social skills. A forceful, blitz attacker would lack social skills, but has a strong build. If the perpetrator prepared the police will categorize them as being organized, skillful. Killing someone during the day is riskier than at night. Will the time remain the same? This could help the police determine if the wrongdoer has a job or possibly be part of his signature.

Next, choose the location. You should know the area well, either through personal experience or research. The more you know the better. Remember when you’re describing the location, give the important details, but don’t overdo it.
Now picture the crime scene. If it’s a robbery you might see items scattered all around, maybe a broken door, shattered glass or other damaged items. If it’s a murder you’d have the body, possibly blood, gun shell casings, or a weapon. Maybe the killer and victim struggled. If so, the house and its furnishing might be demolished during the encounter. Look at the area what’s out of place, what’s missing? It could be something the criminal took, as a trophy.

How was the body positioned is it or the scene staged? Are there any defensive wounds? What about the clothes is it torn, dirty, and bloody?

It’s time to work on the witnesses. Who saw it happen? What exactly did the witness see? Since their secondary characters, you only need a little detail about their personal appearance, act walk talk dress.

Who do you want the police to suspect? Make a list, create a basic description. Now add thinks like employment, who they hang out with, and family members. These things can either give the suspects an alibi or make them more suspicious.

Last, decide how it will end. Who’s going to solve it and how? Create a list of these possibilities. As you review the ideas, ask yourself if I’m attempting to solve the mystery, which one wouldn’t I anticipate? Try to put a spin on it see if you can make it even less predictable, but not too far fetched either. Sometimes the most obvious is the one the reader won’t guess because it’s too easy.

When starting your story, some suggest introducing the characters in the first few chapters. While others recommend the opposite. In my own stories, I start off with actions within a page or two. The reason I do that is because as a reader, I don’t want to read numerous pages of details half of which I’ll probably forget anyway since I was fed so many details all at one time. No matter how you decide to begin, remember to add a lot of action and suspense, to keep the readers, guessing as the audience continues to turn the pages. If the ending becomes too predictable as you write, change it up a bit. When choosing dialog, be sure it sounds real, the way people really speak. I’ve found reading my story out loud works best.