Investigation Discovery HD

Detectives must get creative to find their suspect when a Mennonite woman goes missing in January 2020 and forensic evidence from her body leads them to a dead end.

Hope Melton vanishes after being run off a country road; CCTV footage from a nearby gas station reveals a suspicious orange car that appears to follow Melton out of the parking lot.

Emily Lambert goes missing after spending the night at a hotel bar with her new boyfriend; two days later, she's found murdered on a piece of remote farmland; detectives scour CCTV footage from the hotel and bar searching for her killer.

CSI Alina Burroughs travels to Augustine, Fla., to investigate Michelle O'Connell's suspicious death; law enforcement says it's a suicide, but the family is certain she was murdered; Alina uses new technology to let the evidence speak for itself.

CSI Alina Burroughs travels to Michigan, where Linda Stermer stands accused of killing her husband, Todd, by setting him on fire; Alina takes a closer look at the charred clues and uses cutting-edge science to try to make sense of this mystery.

CSI Alina Burroughs is in Winter Garden, Fla., to investigate a furniture store massacre that claimed four lives on Christmas Eve 1975; applying new technology to old clues, Alina tries to piece together a puzzle still fraught with mystery.

CSI Alina Burroughs travels to Austin, Texas, to investigate the 1988 murder of 20-year-old pizza shop worker Nancy DePriest; in the controversial case, Alina uses forensics to let the evidence speak for itself.

Frankie Cochran falls for handsome David Gehrard, then his behavior begins to alarm Cochran, making her wonder if a secret from Gehrard's past holds more meaning than she thought.

Sandi Musk begins dating Andy LeFleur while separated from her husband, then Musk tries to break things off with LeFleur only to find he is the kind of person who won't take no for answer.

The Millers always thought something was off when it came to their oldest son Steven, then he goes from strange to sinister, and there's no telling how far he will go to get his family's attention.

For 17-year-old Sarah Wisnosky, college is all about new experiences, so when she catches the eye of a flirty frat member, she's happy to play along, then the college freshman discovers he's hiding a dark secret.

The lives of a beautiful young family in Long Beach, New York, rip apart when five-year-old Audrey witnesses her mother, Diane, brutally stabbed to death; to Audrey's horror, her mother's murderer is somebody very close to home.

Matt Hendershot is devastated when his marriage ends and his ex-wife moves on; but following the death of her lover, he allows her back into his home, along with a collection of the dead man's guns; it is a mistake which will prove to be fatal.

When Jeff Silvernail returns home to find his partner, Lori, dead in a pool of blood, it appears to be a burglary gone horribly wrong; investigators must uncover whether Jeff is a heartbroken partner or a monster who couldn't cope with rejection.

When Christie meets Marcus in high school, they think they've found love's young dream. As the relationship becomes rocky, Christie begins to fear Marcus's violent tendencies. Little does she know, all her fears will soon become a reality.

Ann Metz lives for her family, particularly her two beautiful granddaughters; her husband Marshall despises Ann's giving her time to anyone but him, and he will go to desperate measures to keep hold of her.

Rogelio Morales is a handsome Marine who sweeps Margarita Sanchez Lemus off her feet; their whirlwind romance leads to marriage and the birth of a beautiful son; behind Rogelio's winning smile lurks a monster who will soon show his true colors.

Victoria and Christine Lisowski live in fear of their mother, Sungnam Kwon-Lisowski; they never imagine that this Christmas, they'll feel lucky to survive the holiday and their mother's crazed vengeance.

Not every mother and father raise the child of their dreams, as some children grow up to become killers; through heart-stopping stories, parents must come face to face with the horrible truth that the child they loved and trusted is a monster.

In a remote Nevada mining town, a truck driver vanishes and silence greets every question; as investigators search for answers, a wall of secrecy holds firm while troubling clues surface, hinting at fear, suspicion, and a hidden truth.

In 1981, two men rape and shoot a young mother and force her fiancé to watch; after nearly dying, the woman learns her attackers are a pair of serial killers, who are also brothers; it will take two decades before justice prevails over the men.

Not every mother and father raise the child of their dreams, as some children grow up to become killers; through heart-stopping stories, parents must come face to face with the horrible truth that the child they loved and trusted is a monster.