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

This true-crime series hosted by Lt. Joe Kenda, one of America's toughest detectives, features incredibly disturbing and mind-blowing cases from across the country. Lt. Kenda expertly guides us through the complex twists and turns of these bizarre crimes.

Homicide Hunter: American Detective

The Desert City Murders

Investigation Discovery HD

A murder victim's lost dog becomes the key clue in solving her murder.

Man's Best Friend

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Lt. Joe Kenda showcases homicide detectives from across the United States who worked tirelessly to put killers behind bars and bring justice to victims.

S6 E1 | Man's Best Friend