Investigation Discovery HD

An illicit tryst in Alaska results in two dead bodies and a woman with multiple shot wounds. Proof that affairs rarely end well.

The murder of a young father stuns his close-knit community, but the investigation reveals a neighborly dispute turned deadly; when a house is besieged by mysterious gunfire, Kenda enlists a team of specialists to trace the bullets' origin.

A soldier is stabbed to death at a drive-thru; Kenda's only clue is that this stabbing is somehow tied to a break-dancing competition; a 29-year-old man who moves back to Colorado Springs, Colo., is shot execution-style at his welcome home party.

A chase through a Florida town ends with a shock for pursuing deputies; officers put themselves in danger to pursue a burning car in Illinois, and a stolen Big Rig hurtles towards Atlanta, Georgia, prompting drastic action.

In Florida, a boat thief runs from the law, kicking off an adrenaline-fueled speedboat chase. A night-time patrol shifts up a gear when a six-ton U-Hual suspected of harboring stolen goods is spotted.

A driver in a stolen vehicle leads a rookie cop on a perilous pursuit through the woods and backyards of Ocala, Florida; in Wauconda, Illinois, a convicted murderer leads a convoy of officers in every direction.

On March 27, 2015, Tierra Hall hugs her mother goodbye for the last time; 24 hours later, the teenager's dead body is discovered outside an abandoned house.

In the summer of 1994, a night out in Miami turns deadly for two young women and a popular nightclub owner; with little evidence found on the scene, investigators must rely on a hidden home video camera to help solve this mystery.

Sixteen-year-old Diamond Bradley mystifies her family when she suddenly disappears; detectives hope surveillance footage will lead them to the missing girl, but the trail Diamond leaves behind is more terrifying than anyone expected.

Detectives rely on surveillance footage at a hospital in Tyler, Texas, when patients mysteriously start dying in the intensive care unit.

On July 5, 2011, a young couple on their way home from a night of birthday celebrations is shot while getting gas; with the killers long since vanished, detectives must rely on the grainy gas station video to unravel a senseless act of evil.

A retired professor is found murdered with his body burned, shocking his Michigan community.

Tempers flare outside a home where Savannah police officers discover three bodies; one argument may offer a vital lead in the case.

Samantha Guthrie's parents desperately search for their missing child; as the police search reveals many players in this mystery, the common thread becomes the Lillian St. house; police aim to find the truth of what occurred within those walls.

A group of men discovers a woman's body in a park in Red Valley, Ariz.

In Grand Rapids, Mich., local mother Laurie Lundeberg lies dead from gunshots outside her home; detectives must track down the culprit and uncover their motive for shooting Laurie; making matters worse, the killer strikes again.

Apache County Sheriff's Office begins a double homicide investigation after the gruesome discovery of an elderly couple's remains in Sanders, Ariz.

A series of unsolved shootings and murders across Southern Florida leave a community terrorized under the threat of an unknown gang; rookie FBI Special Agent Jessica Box makes it her mission to identify and dismantle this deadly crew.

A teen vanishes after visiting a neighbor, leaving years of questions.

Arson investigators find a man dead in a burned-out home; the police investigation quickly uncovers victim number two; it's up to Detective Meroni to catch the killer before he strikes again.