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Smiley Face Killers Bonus: Retired NYPD Detectives Examine Brian Welzien's Autopsy Report (Season 1, Episode 4)

Retired NYPD detective Kevin Gannon meets with Sgt. William Fazekas to take another look at Brian Welzien's autopsy report.

More Season 1 / Episode 4

01:35

Exclusive Smiley Face Killers Bonus: Retired NYPD Detectives Examine Brian Welzien's Autopsy Report (Season 1, Episode 4)
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Exclusive Smiley Face Killers Bonus: Brian Welzien's Mother Speaks About Coping with Her Son's Death (Season 1, Episode 4)
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Exclusive Smiley Face Killers Bonus: Bobby Chacon Looks at Evidence in Potential Smiley Face Killers Cases (Season 1, Episode 4)
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01:44

Preview Smiley Face Killers: Brian Welzien's Mother Recounts the Day She Learned of Her Son's Death (Season 1, Episode 4)