Investigation Discovery TV Schedule & Listings Guide

A single mother gets along with her handyman neighbor, until she gets a new man in her life and her neighbor adopts more than 50 dogs; accusations become threats, threats become attacks and, eventually, the conflict reaches a bloody conclusion.

More than two decades after two women are found similarly raped and strangled in North Philadelphia, there's renewed hope that breakthroughs in DNA technology could finally lead detectives to a brutal killer on the loose.

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.

Temptress Cathy Cousin moves in next door to devoted family man Tim Koile, wrapping him around her finger and convincing him to satisfy her every whim no matter how diabolical.

Valuing wealth more than love, Michelle Donohue casts aside good men before meeting Mr. Right who gives her a taste of her own medicine and sends her down a murderous path.

After Cynthia Roth drowns in the middle of a crowded lake, investigators uncover a decades-long trail of terror; detectives must take extraordinary measures to catch the killer.

Forty-two-year-old single father of four Richard Mannion is found shot to death in his home, and police suspect he may have been looking for love in all the wrong places.

Thirty-nine-year-old Melissa Lewis becomes a partner at a prestigious law firm, then she is found murdered, and police must scour her most intimate professional and private relationships to find her killer.

Greg May, 56, is getting ready to move to Florida with a new girlfriend when he vanishes without a trace; police aren't sure if the tattoo artist turned Civil War collector is alive or dead until their investigation uncovers a horrific plot.

In May 2017, high school teacher Theresa Lockhart is a no-show at her confirmation sponsor's big event; later, her car is discovered with nothing inside, prompting police to turn the community upside down.

Forty-year-old Rachael Anderson disappears without a trace after calling a friend about a home improvement project she'll never complete.

Joel Larson is shot to death in a safe haven community for gay people in 1990s Minneapolis; two more shootings terrorize people in the community as they realize a serial killer lives among them.

Alexis Murphy, who is a rising social media star and high school athlete, disappears along the infamous Route 29 in August of 2013; a massive search by local and federal authorities yields zero results, until a security video reveals a chilling clue.

Judith Therianos is a free spirit who wants to see the good in everyone; after her body is found in a wooded area, detectives unearth video surveillance that shows her alone and unaware of the danger she faces moments before her life is cut short.

It's the middle of the night when Delvin Buckii Meadows is shot and killed in his neighbor's yard; as police investigate, it's not until witnesses come forward with information that detectives realize they may be the key to finding Delvin's killer.

The complex missing persons case of Roaa Al-Dhanoon takes a disturbing turn, involving someone who is close to her.

Lima, Ohio police race to a chaotic scene at an after-hours nightclub following a shooting that leaves one person dead and multiple others injured; as they try to identify the shooter, dozens of patrons flee in fear, confusing first responders.

SWAT tears down a house to arrest two brothers wanted for murder; a high-speed pursuit ends when a crash entangles an officer's car in live electrical cables; a DWI driver hits a goods train carrying explosive chemicals.

In Utah, a wanted felon, who has threatened his family's life, is on the run; as officers close in on him, he makes a desperate move, breaking into a family's home and taking them hostage; officers work through the night to secure their release.

A K-9 unit tracks an armed murder suspect through an Oklahoma residential area, where he ambushes police; in Texas, police officers respond when a couple falls into an icy lake, and one officer risks his own life to go into the water.

In Michigan, the family of a shooter begs him to give himself up; in Florida, a day cruise goes wrong and rescuers race to save two drowning families; in Detroit, suspects stealing marijuana flee at high speed through the city.

Two police officers respond to a domestic disturbance; a house fire turns into a murder investigation; the search for a known sex offender builds to its conclusion.

A police officer tracks down an armed carjacker and comes under heavy fire; a stabbing in broad daylight forces the police to take decisive action; a routine traffic stop results in a shot officer who fights for his life.

In New York, a domestic disturbance takes a turn which changes a police chief's life; in Florida, an officer separates from his K-9 while chasing two suspects; in Indiana, an officer stares down the barrel of a suspect's gun.

Police go into an ambush as they try to rescue an injured pregnant woman.