Investigation Discovery continues its heritage of providing in-depth, compelling documentaries & series that challenge viewers to think about key issues that shape our culture and define our world.

Investigation Discovery

Veteran journalist Paula Zahn unravels criminal investigations by featuring the opinions of law enforcement officials, the families of the victims and the incarcerated, lawyers from both sides and first-time TV interviews with convicted murderers.

On the Case With Paula Zahn

Through the Smoke

Investigation Discovery HD

Police watch the disturbing video of a young woman closing up after her shift at a gas station convenience store. Everything seems normal until, in one moment, she is there and, in the next, she is gone, never to be seen again.

Unseen Danger

Investigation Discovery continues its heritage of providing in-depth  compelling documentaries & shows.

Hunters found Army veteran Maribel Ramos's body in a remote area, sparking a hunt for her killer; investigators uncovered a fatal dispute with her roommate over unpaid rent.

Caught in a Trap

A gunman shoots a hero fireman dead in his own driveway; police focuses their investigation on the unusual firearm used to commit the crime and an odd trail of clues left behind by the victim himself.

Layers of Betrayal

After a young woman vanishes on her way to work, police desperately follow a trail of videotaped clues they hope will solve a complex mystery; the evidence found inside her car could be the key to solving the brazen abduction.

Edge of the Abyss

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S29 E1 | Edge of the Abyss