Investigation Discovery HD

A firefighter moves into a family-friendly neighborhood with his wife and child, but the rambunctious teenagers living next door drive him over the edge.

In Baltimore, a predator stalks young women and strikes when they are alone at night; however, one of the killer's victims will turn out to be his worst enemy.

In Allentown, Pa., a serial killer preys on women in the middle of the night; when one woman refuses to be his next victim, the killer goes on a relentless tirade that ends in his own demise.

Fifteen-year-old Candice Parchment goes missing from her Georgia home and is found murdered months later; the investigation hits a dead end until the discovery of Candice's diary reveals a shocking assault and points to the person who killed her.

Taylor Behl is away at college in Richmond, Va. for a mere two weeks and then goes missing without a trace; her diaries point to several possible suspects in what eventually becomes an alarming homicide investigation.

Lancaster, Texas is rocked by a brutal triple murder; one victim's diary describes her penchant for picking up hitchhikers, one of whom just may be responsible for this heinous crime.

Police have a puzzle to solve when they find a gifted programmer and a jilted lover at the scene of 62-year-old Kathy Anderson's murder; nothing can prepare them for where this investigation will lead.

A Google X executive and consummate family man turns up dead aboard his yacht in Santa Cruz harbor; as detectives follow the breadcrumbs, they uncover a fatal encounter with a high-end escort and a pleasure-seeking, double secret life.

Things seem to be looking up for IT employee Jeanine Harms as she finds herself single again following a short-lived marriage; but the tides take a tragic turn when she fails to show up for work one morning.

A high-profile Silicon Valley couple break up and begin a heated custody battle; when one parent vanishes just before a scheduled visit, police uncover a case fueled by greed, betrayal and suspects with everything to lose.

When a software consultant runs for governor in California, the Bay Area press uncovers his ties to the unsolved murder of 41-year-old millionaire David Coffin; but the candidate points the finger at a woman with whom he and the victim were involved.

Hikers discover the severed head of Hervey Medellin in the Hollywood Hills; the suspects include former lovers, drug cartel hit men and a porn star in this tale of lust, greed and butchery.

In 1981, a woman and three teenagers are murdered in a cabin in the remote town of Keddie, Calif., and no one is ever brought to justice; now, new evidence may hold the key to finally cracking this case.

Two days before the new millennium, the Freeman family trailer is burned to the ground; the couple's remains are found, but their teenage daughter and her friend are missing.

A woman is murdered the same night she's supposed to go out with rising star Ashton Kutcher, and police believe the clues point to a serial killer; as the number of victims climbs, one brave woman manages to survive.

In 2001, actor Robert Blake finds his new wife, Bonny Lee Bakely, shot in the head in the couple's car; the largest homicide investigation in LAPD history uncovers a story of blind ambition and betrayal.

A college student who is working as a radio station intern is murdered, launching a long and frustrating investigation that leaves family and police on the brink of hopelessness; forensic genealogy leads to a man who has been on the run for decades.

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.

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.