PreviewSmiley Face Killers: Brian Welzien's Body Was Never Tested for GHB (Season 1, Episode 4)
Brian Welzien's blood alcohol level was just above intoxication, but witnesses say they saw him violently sick that night.
Season 1 Episode 4 - Videos
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Smiley Face Killers: Brian Welzien's Mother Recounts the Day She Learned of Her Son's Death (Season 1, Episode 4)
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Smiley Face Killers: Brian Welzien's Body Was Never Tested for GHB (Season 1, Episode 4)
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Smiley Face Killers Bonus: Bobby Chacon Looks at Evidence in Potential Smiley Face Killers Cases (Season 1, Episode 4)
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Smiley Face Killers Bonus: Retired NYPD Detectives Examine Brian Welzien's Autopsy Report (Season 1, Episode 4)
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Smiley Face Killers Bonus: Brian Welzien's Mother Speaks About Coping with Her Son's Death (Season 1, Episode 4)
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Smiley Face Killers: Forensic Pathologist Believes Brian Welzien Was Murdered (Season 1, Episode 4)
