Investigation Discovery HD

After Ranger James Holland receives a phone call from the Pennsylvania State Police, he finds himself face-to-face with a witness who could be the key to solving one of the oldest cold case mysteries in the history of the state.

Officers chase a suspect, attend a car fire, and detain a homicide suspect.

Children find a missing woman's body in a rural community miles away from her home; forensic experts decipher surprising animal hair fibers and DNA evidence, which puts detectives on the trail of an enraged predator.

After a single father is found dead in his burning home, an autopsy reveals he was murdered; investigators must decode ballistic, chemical and digital clues to reveal a complex plan executed by a twisted killer.

Donna Andersen almost has it all, but something's missing until James Montgomery enters her life; the future looks bright until Donna makes a discovery that turns her marriage into a living nightmare.

Butch Halley finds love with the charming Sunny, and he can't wait to start their new life together, but sinister rumors soon threaten to tear the family apart.

Deborah Jones and Gerard Pepin seem like the perfect match until a dark accusation tears their marriage apart; as the scale of Gerard's wrongdoing comes to light, Deborah decides to fight to bring him to justice, whatever the personal cost.

When Melanie marries James Addie, she believes she's found the perfect husband, unaware he will lead a double life one day; as the days count down to his second wedding, James' secret is in danger of being exposed, and soon someone will die.

Las Vegas teen Wendy Mazaros survives sex trafficking and marries her older boss, Tom Hanley - only to discover he is involved with the mob and might be a hit man.

Law student Jessika Rovell becomes engaged to a Philadelphia doctor who claims to be a Naval intelligence agent; when his secret life finally comes to light, she discovers he is one of the worst sexual predators in Pennsylvania history.

When single mother Linda Damm goes missing in Lafayette, Colo., police get an anonymous tip telling them where to find her body and who her unexpected killer is.

When Michael's body is found on a local golf course, a dark truth emerges.

In the Atlanta suburb of Buford, George and Tia Young raise their three sons; when his childhood friend Tim Lee moves to town, George offers to let him stay with the family; a sinister seduction occurs, leading to a cold-blooded murder.

A former police chief gets into constant conflicts with a young renter who doesn't respect his authority; the war between them intensifies until blood flows down their street.

A former cop is moving into a close-knit neighborhood; conflict arises with the whole community over dogs, noise, and other disturbances that keep piling on and ratcheting up until a boiling point is reached, guns are drawn, and blood is spilled.

Complaints about dogs running loose lead to the construction of a fence between two long-time neighbors, but the problem isn't solved and flaring tempers lead to fist fights, stabbings, and ultimately a shocking shootout captured on video.

On a quiet cul de sac, a contractor helps his neighbor rent the home beside him; unwittingly trapping himself between an increasingly unhinged presence on one side and the man's hostile parents on the other.

A handyman, living rent-free in the home of a generous friend, grows increasingly paranoid about his neighbors; filming them constantly and fighting with them incessantly until conflict escalates out of control and culminates in explosive violence.

The Lunsford family's lives turn upside down when someone snatches nine-year-old Jessie from her bed in the middle of the night; authorities scour the area looking for her when they discover a dark truth, she is closer than they ever realized.

In 2001, someone murders a father, sets his Florida home ablaze, and his sons disappear. As prayers rise for their safe return, a so-called family friend steps forward, shifting the case. Now, an exclusive interview finally uncovers the truth.

A celebrity facialist spirals after online attacks and stalking she believes are by a rival; when her supposed tormentors turn out to be friends, the case becomes a story of revenge and an alleged murder-for-hire plot that upends all assumptions.

A vibrant and inspiring group from Denver's creative community spreads messages of love and inclusion, attracting many online followers; soon they become the target of a hateful and violent member of the online manosphere with shocking consequences.

In 2001, someone murders a father, sets his Florida home ablaze, and his sons disappear. As prayers rise for their safe return, a so-called family friend steps forward, shifting the case. Now, an exclusive interview finally uncovers the truth.