Investigation Discovery HD

A chilling investigation into the discovery of a pregnant woman's body in the Hudson River, which New York police initially dismiss as an accident before uncovering premeditated murder.

After a string of bad dates, Texas social worker Deborah Houchin believes she's finally found the man of her dreams; not long after talk turns to marriage, Deborah disappears; it takes the help of her coworkers to find out what happened.

Twenty-year-old single mother Tracy Whitehead is starting to turn her life around when she falls for attentive Joby Palczynzki, then his jealousy starts to overtake their relationship, and she soon comes to realize she can run, but she can't hide.

After Leesa Nascimento is shot dead, a recently fired coworker, Lorenza Sam, is tied to her murder and arrested.

Sandra Berfield suffers years of harassment from coworker Steven Caruso and has him jailed for violating a restraining order; released, Caruso sends a pipe bomb to Berfield who is killed instantly after picking up a package left on her front porch.

In Tacoma, Wash., businessman Robert Henry is murdered by a masked gunman, and his wife, Paula, points the finger at Henry's former business associate, Larry Shandola.

Theresa Wesolowski, 22, is murdered on May 29, 1999; police are baffled for nearly 10 years before finally getting a break when a new DNA technique identifies Wesolowski's coworker, Mark Libecki, as her killer.

The brutal murder of a successful hair salon owner and mother upends a tight-knit Chicago community; while neighbors whisper about the killer's identity, detectives must break down walls of silence and uncover the plot to slay this local icon.

A Pennsylvania town is filled with suspicion after 19-year-old Erica Miller disappears without warning; her mother posts flyers around town, prompting one resident to question the unusual behavior of a family friend.

Suspicion lands close to home when prom queen Aquilla Flood is found dead in her bedroom; while Aquilla's friends point detectives to three local teens, her own family endures intense questioning about the night this popular young woman died.

Matt Garcia, a city councilman in California, is shot dead; drug dealers, political rivals, and even Matt's own father are all suspects.

An apartment-dwelling family finds their peace and quiet shattered when a loud neighbor moves into the unit directly overhead; the conflict engulfs both sides resulting in flying fists, drawn weapons, and a man left bleeding out in the hallway.

A retired couple's golden years shatter when a troubled Army veteran moves in next door and makes their lives hell with his appalling behavior; they declare war, fighting vicious battles until one of these neighbors turns up dead.

A long-time resident of a suburban street descends into a morass of delusion, anger and paranoia that turns him against innocent neighbors; he eventually becomes wholly unhinged and unleashes his violent wrath upon his small Baltimore community.

The unofficial mayor of an idyllic suburban street locks horns with the new neighbor who shows no respect for local values; disagreements escalate to arguments, threats, and property damage, ending in brutal violence that shatters two families.

A friendly retired couple delights a family with young children when they move in next door. Then the new neighbors' dog attacks the children's mother, setting off a vicious conflict that ends in two shocking murders.

A single woman and her two young sons believe they have found a perfect new apartment, but their overbearing landlord and neighbor soon turns their idyllic situation into a living hell of arguments and intimidation that finally ends in bloodshed.

A woman weaponizes empathy, faking illnesses and tragedies across state lines; as victims unite, her pattern snaps into focus: an opportunist who doesn't just mimic suffering but steals it, reinventing herself wherever she goes.

Unpacking shocking true-crime stories involving influencers and digital communities across the social media landscape.

The lure of social media fame pulls a young woman into the dark side of cosplay, and a world of sexual exploitation, online trolls, and homicide.

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.

Unpacking shocking true-crime stories involving influencers and digital communities across the social media landscape.