Investigation Discovery

After taking the pageant world by storm, a Playboy cover model gets up close and personal with fans on the phone; as she competes for playmate of the year, an obsessive fan goes a step too far and her entire world comes crashing down.

The murder of Playboy Cybergirl Christina Carlin-Kraft in her Pennsylvania condo takes police on a search for her killer, from the streets of Philadelphia to a psychiatric ward; detectives rely on surveillance video to find the culprit.

Elizabeth continues her quest for answers about convicted conman, Anthony Strangis. After speaking with his alleged victims, Elizabeth wants answers. After the trail goes cold, unexpected intelligence leads Elizabeth right to Anthony's front door.

A killer stabs UCLA student Ron Baker to death in a train tunnel known for its connection to the Manson murders; rumors begin to spread, until another missing friend redirects suspicion to Baker's inner circle.

A local waitress catapults to stardom when featured in a Playboy pictorial; she soaks up the fame and newfound attention until a surprise goes wrong, ending in tragedy, and she becomes a victim in a gruesome double murder.

Elizabeth Chambers unravels the deception and manipulation that leads to the bloody ending of Kelly Sutcliffe's marriage, but a vicious attack is only the start of Kelly's nightmare; living in fear, Kelly turns to an unlikely source for protection.

A gunman kills a University of Kentucky football player at his birthday party; despite a house full of witnesses, no one saw the shooter; as police investigate, suspicion closes in on his closest friends who were there that night.

Fresh from a breakup, a Playboy casting assistant revels in the L.A. nightlife scene until a wild night out ends in her mysterious death.

Elizabeth Chambers unravels the deception and manipulation that leads to the bloody ending of Kelly Sutcliffe's marriage, but a vicious attack is only the start of Kelly's nightmare; living in fear, Kelly turns to an unlikely source for protection.

A gunman kills a University of Kentucky football player at his birthday party; despite a house full of witnesses, no one saw the shooter; as police investigate, suspicion closes in on his closest friends who were there that night.

Fresh from a breakup, a Playboy casting assistant revels in the L.A. nightlife scene until a wild night out ends in her mysterious death.

Actress Melonie Haller is poised for stardom after appearing in the television series "Welcome Back, Kotter" and a pictorial in the March 1980 edition of Playboy; eager for her next role, she goes to a party in the Hamptons that takes a violent turn.

Jill Ann Spaulding dreams of becoming a Playboy model; however, when she arrives at the mansion, she discovers that fantasy and reality are vastly different; shunned by Hef, Jill writes a tell-all book.

After taking the pageant world by storm, a Playboy cover model gets up close and personal with fans on the phone; as she competes for playmate of the year, an obsessive fan goes a step too far and her entire world comes crashing down.

A gunman kills a University of Kentucky football player at his birthday party; despite a house full of witnesses, no one saw the shooter; as police investigate, suspicion closes in on his closest friends who were there that night.

Bernadette Myers is found strangled to death in her home in Jacksonville, Florida; clues found at the scene of the crime suggest that her killer was waiting for her when she walked in the door.

When a woman is faced with the threat of having her allowance cut off, she retaliates by killing her older sister and stealing her identity.

A woman portrayed as the brave survivor of a brutal attack is charged with killing her coworker over a tank top and staging the entire crime.

Set in Depression-era Chicago, barfly Murphy survives multiple attempts on his life without ever becoming aware that his so-called friends are trying to kill him so they can cash in his insurance policy.

A con artist teams up with her female lover to steal her horse-loving husband's money after killing him with a horse tranquilizer.

When a woman is faced with the threat of having her allowance cut off, she retaliates by killing her older sister and stealing her identity.

A woman portrayed as the brave survivor of a brutal attack is charged with killing her coworker over a tank top and staging the entire crime.

Set in Depression-era Chicago, barfly Murphy survives multiple attempts on his life without ever becoming aware that his so-called friends are trying to kill him so they can cash in his insurance policy.

A con artist teams up with her female lover to steal her horse-loving husband's money after killing him with a horse tranquilizer.

When a woman is faced with the threat of having her allowance cut off, she retaliates by killing her older sister and stealing her identity.

A woman portrayed as the brave survivor of a brutal attack is charged with killing her coworker over a tank top and staging the entire crime.

Set in Depression-era Chicago, barfly Murphy survives multiple attempts on his life without ever becoming aware that his so-called friends are trying to kill him so they can cash in his insurance policy.

A con artist teams up with her female lover to steal her horse-loving husband's money after killing him with a horse tranquilizer.

Abby's life takes a dark turn when her aunt and uncle adopt her; what she initially hoped would be a blessing, turns into a nightmare as she realizes she's living with predators; escaping their clutches will take every ounce of her courage.

Courtney thinks Mike is vulnerable, kind and sweet; when she finally has enough of his jealousy of everyone in her life, his rage explodes.

After her father, Donald Hoop, meets a woman named Joy, Desiree's life spirals; Joy is hot-tempered, cruel and controlling; Desiree knows her dad can't escape his toxic marriage, but she has no clue that Joy is orchestrating a cold-blooded murder.

When Sara learns of her mother's murder, she slowly begins to realize who her father truly is, unearthing her family's dirty secrets along the way.

Debra sees darkness in her young brother's eyes but hopes he'll change; when he attacks their stepmother and grandmother, she accepts his denial; when her brother becomes a notorious serial killer, she realizes her brother is a monster.

Betty hopes her sister's son, Chance, is a beacon of hope in their troubled lives, but Betty sees his dark side early on; he lacks empathy and becomes violent until he explodes in a fit of rage, harming the one person who cared for him most.

When Shaquoia and Imani first meet Isiah, they sense his evil; they don't know why their mother would date a man like him; Shaquoia does all she can to protect her siblings from Isiah's rage, but his cruelty and obsession would destroy the family.

Ruby Franke gains fame for her strict parenting style, but her partnership with counselor Jodi Hildebrandt spirals into control; when Ruby's child escapes, he exposes abuse and the damaging, cult-like beliefs at the heart of their bond.

Ruby Franke gains fame for her strict parenting style, but her partnership with counselor Jodi Hildebrandt spirals into control; when Ruby's child escapes, he exposes abuse and the damaging, cult-like beliefs at the heart of their bond.

Isolated and otherwise picturesque cabins play host to terrifying crimes.

Survivors break their silence as Jessi exposes Hildebrandt's cult-like control; Ruby's journals confirm the emotional and physical abuse of her children; with evidence mounting, the court holds the women accountable and delivers long-awaited justice.

Ruby's words expose abuse at the hands of Jodi Hildebrandt, but is it over?

Ruby Franke gains fame for her strict parenting style, but her partnership with counselor Jodi Hildebrandt spirals into control; when Ruby's child escapes, he exposes abuse and the damaging, cult-like beliefs at the heart of their bond.

Ruby Franke gains fame for her strict parenting style, but her partnership with counselor Jodi Hildebrandt spirals into control; when Ruby's child escapes, he exposes abuse and the damaging, cult-like beliefs at the heart of their bond.

Survivors break their silence as Jessi exposes Hildebrandt's cult-like control; Ruby's journals confirm the emotional and physical abuse of her children; with evidence mounting, the court holds the women accountable and delivers long-awaited justice.

Abby's life takes a dark turn when her aunt and uncle adopt her; what she initially hoped would be a blessing, turns into a nightmare as she realizes she's living with predators; escaping their clutches will take every ounce of her courage.

When Shaquoia and Imani first meet Isiah, they sense his evil; they don't know why their mother would date a man like him; Shaquoia does all she can to protect her siblings from Isiah's rage, but his cruelty and obsession would destroy the family.

A Jacksonville firefighter returns home to find his wife's dead body in their bedroom; when he admits to infidelity, he becomes the prime suspect, but investigators are led to the real killer via a stolen car.

After being shot in the face during a home invasion, 58-year-old Linda Heidt calls 911; while she survives the ordeal, her husband and son are not so lucky.

Diana Holik's body is found in her home in Austin, Texas; the crime scene is left impeccable.

A Jacksonville firefighter returns home to find his wife's dead body in their bedroom; when he admits to infidelity, he becomes the prime suspect, but investigators are led to the real killer via a stolen car.

After being shot in the face during a home invasion, 58-year-old Linda Heidt calls 911; while she survives the ordeal, her husband and son are not so lucky.

Diana Holik's body is found in her home in Austin, Texas; the crime scene is left impeccable.

A Jacksonville firefighter returns home to find his wife's dead body in their bedroom; when he admits to infidelity, he becomes the prime suspect, but investigators are led to the real killer via a stolen car.

A man calls 911 with his dying breath, and first responders arrive to find him brutally murdered and stabbed 59 times; when detectives question his best friend, they uncover a tangled story of deception and jealousy that ends in psychopathic rage.

A killer shoots a young woman dead in her boyfriend's Orlando, Fla., apartment; hours later, he turns up in a hospital bed 500 miles away with a gunshot wound and a bizarre story that unravels to reveal he's a lying, callous psychopath.

A gunman shoots a man dead as he runs along a country road, and first responders find a witness standing next to the body with a strange story to tell; detectives unravel the lies of a callous psychopath who takes out his frustrations in bloodshed.

A woman finds her elderly brother dead in his bedroom with his throat slashed; uncovering the truth poses a challenge for detectives, as the individual responsible for killing him is a manipulative psychopath who craftily deflects blame.

Investigators search a farm for a missing man and find a human leg bone on the property; the owner, Susan Monica, admits that her pigs ate her tenant alive, and he's not the only victim; Monica despises humans but loves her pigs.

A racially motivated serial killer on death row who targeted civil rights leader Vernon Jordan and pornography publisher Larry Flynt confesses to additional unsolved murders with the help of a shrewd female prosecutor.

Police find a 17-year-old female's dead body in a ditch with two gunshot wounds; the investigation centers on two friends of the victim claiming her death was an accident, but detectives uncover it was a thrill kill carried out by evil psychopaths.

A New Hampshire town reels after police arrest four teenagers for robbing and murdering a 42-year-old mother and maiming her 11-year-old daughter; detectives uncover two suspects with the characteristics of sadistic psychopaths.

A look inside the mind of psychopaths to discover when common pervasive traits deviate into violence, such as grandiosity, sadism, superficial charm, manipulation, lack of empathy and having a parasitic lifestyle.

A teenage couple goes on the run after an attack on the boy's sister; a search leads officers to the girl's grandparents' home, where they find the bodies of the elderly couple and uncover a fantasy killing concocted by the psychopathic lovers.

Terror rocks an Ohio town when a mother, her two kids and a close friend vanish; investigators track down the prime suspect and uncover a house of horrors; detectives find themselves dealing with a psychopath with a bizarre obsession.

A husband heads down a dark and violent path, ending in the brutal murder of his own parents; his daughter and wife want to know why.

Rashad Jamal rises online as a self-proclaimed prophet, creating a cult that mixes cosmic teachings with conspiracy. His University of Cosmic Intelligence spreads fast, but when some of his followers vanish, fear grows that devotion has turned deadly.

Larry Nassar becomes the go-to doctor for treating injured gymnasts after he helps the USA win Olympic gold; young women flock to him for rehabilitation; it takes years before the true cost of his medal-winning techniques comes to light.

A teenage couple goes on the run after an attack on the boy's sister; a search leads officers to the girl's grandparents' home, where they find the bodies of the elderly couple and uncover a fantasy killing concocted by the psychopathic lovers.

Terror rocks an Ohio town when a mother, her two kids and a close friend vanish; investigators track down the prime suspect and uncover a house of horrors; detectives find themselves dealing with a psychopath with a bizarre obsession.

Raised in foster care, Kristin and Brandon only had each other; Kristin struggles to understand how her big brother became a cold-blooded killer.