Season 1

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  7.6/10130 votes

  The Trigger

  Season 1 Episode 1 - Aired 3/25/2021

  The disappearance of a teenage boy in Chicago sends investigators to the home of contractor John Wayne Gacy; a team of officers track his every move until a chance encounter leads to a horrifying discovery in the crawl space of Gacy's home.

  Director: Unknown

  Writer: Unknown

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  7.7/10114 votes

  Warning Signs

  Season 1 Episode 2 - Aired 3/25/2021

  An examination of Gacy's past reveals unsettling evidence that authorities knew he was a sexual predator; still, Gacy was able to evade law enforcement for more than a decade as he committed his deadly crimes.

  Director: Unknown

  Writer: Unknown

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  7.6/10107 votes

  Horrific Acts

  Season 1 Episode 3 - Aired 3/25/2021

  Gacy details his murders in a chilling confession as police uncover the scope of his crimes.

  Director: Unknown

  Writer: Unknown

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  7.7/1096 votes

  By Reason of Insanity

  Season 1 Episode 4 - Aired 3/25/2021

  The jury must decide between sending Gacy to a psychiatric facility or condemning him to a death sentence.

  Director: Unknown

  Writer: Unknown

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  7.8/1093 votes

  You Have to Dig

  Season 1 Episode 5 - Aired 3/25/2021

  A quick verdict doesn't end the story; the specter of more victims has investigators digging again.

  Director: Unknown

  Writer: Unknown

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  7.2/1094 votes

  It Never Ends

  Season 1 Episode 6 - Aired 3/25/2021

  Questions about the Gacy case linger 40 years later, as does the fallout from his terrible crimes.

  Director: Unknown

  Writer: Unknown