Investigation Discovery HD

Patrick Bruce idolizes his fun-loving older brother, Lance; however, as he watches Lance descend into darkness, he feels powerless to stop him; he never imagines the horror of the unspeakable acts his brother is capable of - until it's too late.

After the murder of a beloved family man in Florida, John profiles the mysterious accused killer, John Galvan-Sahb; Callahan heads to Los Angeles to help police with a twisted case of child sexual abuse allegedly perpetrated by Dublas Gonzalez.

John is on the trail of fugitive Larry Hicks, accused of murdering a devoted mother of two in Plattsburgh, N.Y.; Callahan heads to Texas to shine the white-hot spotlight on accused predator Steven Leifeste.

Lt. Joe Kenda finds the bullet-ridden bodies of a middle-aged couple in a musty suburban house alongside the corpses of their two beloved pets; the case gets stuck in neutral until detectives discover an essential clue hidden behind a birdcage.

A 13-year-old girl goes missing, sending Kenda's city into a panic; just when investigators think they've got a handle on what is going on, a cryptic letter to the district attorney's office suggests that the girl isn't the only victim.

Sgt. Joe Kenda gets an emergency call from his wife, Kathy, while facing off against a barricaded gunman; Kathy overhears gunfire, leading her to grapple with the terrifying realities of being married to a police officer.

The murder of a popular teenager at a crowded house party sends Lt. Joe Kenda down a winding road paved with lies, misdirection and innuendo; detectives use blood evidence to solve the shooting death of a firearms enthusiast.

After expectant mother Natise Johnson is found murdered days before she is due to give birth to her first child, Philadelphia detectives focus on those closest to her but soon find Johnson's life is much more complicated than anyone ever knew.

Philadelphia restaurant manager John Thurberg is murdered at work five months before his wedding; the motive is unclear until police begin to question restaurant employees and uncover a web of secrets and lies.

Wealthy aviation pioneer Courtlandt Gross and his wife, Alexandra, are found shot to death in their mansion, prompting a manhunt which takes detectives from Philadelphia's Main Line to the environs of a young drifter with a long criminal record.

Philadelphia's Crescentville neighborhood is known for tranquility seldom seen in major cities, then a woman, her boyfriend and daughter are found slain in their home.

When an Ohio couple is found dead in their ransacked home, detectives turn to the community for help; investigators piece together the events of a horrific night to uncover the truth of what occurred to these local business owners.

A young mother's death by strangulation engulfs a cloud of suspicion over a tiny town in Ohio.

In Howard City, Michigan, detectives investigate a night of horror that ends with the shooting of beloved couple Robert and Norma Bean in a gravel pit; local tips provide alarming new clues, revealing the shocking timeline of their final hours.

When law enforcement finds local electrician James Nibbe dead after a home invasion, they must dig beneath the surface of Lake Crystal, Minnesota, to root out the killer.

In the small town of Twinsburg, Ohio, Charlene Puffenbarger's 3-year-old son is the only witness to her brutal murder; as investigators continue to follow every tip that comes in, an unexpected source leads them to the killer.

College junior Emily Murray, a popular religious studies major, goes missing late one night after quitting her job at a local bar; a month later, someone finds her body in a remote trailer, leading police to another gruesome discovery.

Beloved wife and cardiac nurse Lorie Kirkley goes missing from the safety of her home in what appears to be a burglary gone wrong; several strange clues are found.

Nevada firefighters find a burning truck and a married couple shot inside their home. A missing vehicle and a deliveryman found dead leave detectives struggling to connect the victims before another attack.

A Long Island mom announces a move to Florida, unsettling her tight-knit circle. When she turns up dead in the family van, police uncover secret ties, past crimes, and tangled relationships that leave nearly everyone in her life under scrutiny.

Mindy Morgenstern, a college student and waitress, is found strangled and stabbed in her own apartment; family, friends and the entire town of Valley City, N.D., help law enforcement identify the monster who committed this violent crime.

Nevada firefighters find a burning truck and a married couple shot inside their home. A missing vehicle and a deliveryman found dead leave detectives struggling to connect the victims before another attack.