Preview

Smiley Face Killers: Brian Welzien's Body Was Never Tested for GHB (Season 1, Episode 4)

oxygen Insider Exclusive!

Create a free profile to get unlimited access to exclusive videos, sweepstakes, and more!

Smiley 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

1:44

Preview
Smiley Face Killers: Brian Welzien's Mother Recounts the Day She Learned of Her Son's Death (Season 1, Episode 4)
2:16

Preview
Smiley Face Killers: Brian Welzien's Body Was Never Tested for GHB (Season 1, Episode 4)
2:11

Exclusive
Smiley Face Killers Bonus: Bobby Chacon Looks at Evidence in Potential Smiley Face Killers Cases (Season 1, Episode 4)
1:35

Exclusive
Smiley Face Killers Bonus: Retired NYPD Detectives Examine Brian Welzien's Autopsy Report (Season 1, Episode 4)
1:28

Exclusive
Smiley Face Killers Bonus: Brian Welzien's Mother Speaks About Coping with Her Son's Death (Season 1, Episode 4)
3:08

Show Highlight
Smiley Face Killers: Forensic Pathologist Believes Brian Welzien Was Murdered (Season 1, Episode 4)