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

Investigation Discovery

A house fire covers up the murder of an entire family.

Blood, Lies & Alibis

A man charms his way into women's homes, then rapes and murders them.

A college student finds his family murdered in their home; police are baffled when all of their suspects have solid alibis.

Investigators find answers to a young woman's murder in the world of drugs and dancing.

A 12 year old's disappearance could be linked to a serial killer, whose victims are usually couples.

Two men are killed by masked gunmen who crash a house party.

When a governor's aide goes missing, the investigation reveals a love triangle.

A man murdering people at truck stops finally sent to prison, thanks to the dedication of one Nashville detective.

A slew of stabbings in Michigan have police looking for a serial killer.

Three unrelated attacks have police baffled; the evidence shows something nobody expected.

Investigators unravel the stories behind cold-blooded murders.