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 HD

Investigation Discovery

The disappearance of Susan Powell begins with a mysterious middle-of-the-night camping trip; an investigation reveals a woman who feared for her life and a family filled with secrets.

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If Something Happens to Me: Part Two

If Something Happens to Me: Part One

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S10 E18 | If Something Happens to Me: Part Two