Investigation Discovery HD

A mother notices that her son is dark and detached and occasionally reveals to her fantasies of violence towards his own family. She begins to wonder if her once-happy, sweet boy is evil, but could never imagine the true terror her son would become.

After a young woman vanishes on her way to work, police desperately follow a trail of videotaped clues they hope will solve a complex mystery; the evidence found inside her car could be the key to solving the brazen abduction.

Police investigating the murder of a young woman start to wonder if the ambush-style shooting that ended the victim's life resulted from a case of mistaken identity.

A murder victim's lost dog becomes the key clue in solving her murder.

When a Mother's Day killing horrifies a town, investigators discover the psychopath has struck before; realizing that any woman could be his next victim, predicting the killer's next move hinges on understanding what motivates a monster.

As Washington, DC burns, police realise they are hunting the most prolific arsonist in US history, and he has been getting away with it for decades.

Andy Castillo uses the internet to call and text female realtors in 20 different states; wielding their social media against them, he makes the women believe he's lurking nearby, adding to their terror.

Online cult leader Sherry Shriner reaches her followers through YouTube videos and keeps them in line via her Facebook page; when a group member dies in a tragic shooting, attention turns to Sherry and the control she wields over her followers.

Fourteen-year-old Aubrey Peal uses an app to find others interested in gaming; he strikes up an online friendship with a man named Jason, who claims he is suicidal; concerned, Aubrey agrees to meet Jason, not realizing his evil intentions.

CeCe bonds with a man she meets on a dating app and she happily obliges when he asks her for money for his business, but she becomes yet another victim of a romance scam.

Stunning actress Victoria Vetri becomes Playmate of the Year in 1968; just a year later, followers of Charles Manson brutally murder her close friend Sharon Tate; the crime sets in motion a series of events that ends in Victoria's tragic downfall.

After she's fired from the police department, 19-year-old Laurie Bembenek becomes a Playboy Bunny; when her new husband's ex-wife dies, Laurie is painted as a femme fatale and convicted of murder.

In the late '90s, Playboy twins Sandy and Mandy Bentley's fame soars until an affair with a Vegas High Roller leads to a fall from fame, stolen jewels, a shadowy buyer and a brutal double murder in the Hollywood hills.

A 19-year-old is discovered in Canada; after becoming "Playmate of the Year," her husband sees dollar signs, but as her star rises, she's drawn to another man; afraid of losing his meal ticket, her husband shoots them in their home.

An aspiring model, Kimberly Pandelios, accepts an offer to pose in lingerie for a mysterious photographer, then disappears; years later, a young woman contacts the police when she begins to suspect that her boyfriend may have been the killer.

A missing person's report sends investigators on a desperate search through the seedy underbelly of the Floribama panhandle; all roads lead to a once sought-after porn star, whose fate is revealed when an informant comes forward to unearth the truth.

When detectives respond to a 911 call from a lavish Miami apartment, they uncover a bloody scene with a popular social media influencer at the center; as they piece events together, soon it gets clear that a lot is going on behind closed doors.

All-American Midwestern hunk Timothy Boham's innocent modeling career catapults him into porn industry stardom; when Tim tries to escape the vicious cycle of selling his body for money, running from his past proves to be deadly.

A single mother turns to exotic dancing to support her family; as she becomes successful, the temptation to make much more money leads to lies with devastating consequences; faced with an uncertain future, she stabs and kills her boyfriend.

In the 1970s, Anneka Di Lorenzo finds fame as a successful model in Penthouse Magazine and secures a part in the movie "Caligula"; however, her life eventually unravels with tragic consequences.

"Survivor" contestant Joe Hunter says his sister, whose death was officially ruled a suicide, was murdered.

For the first time, insiders reveal dark secrets behind the #1 talk show.

Anime-obsessed teenager Bianca becomes an inspiring mental health advocate online and changes lives; but on forums and social media accounts, she discovers a horrifying and violent underbelly: young men primed to threaten, harm and attack.

For the first time, insiders reveal dark secrets behind the #1 talk show.