Preview Smiley Face Killers: Brian Welzien's Friend Speaks About the Last Night He Saw Welzien Alive (Season 1, Episode 4) oxygen Insider Exclusive! Create a free profile to get unlimited access to exclusive videos, sweepstakes, and more! Sign Up for Free to View Smiley Face Killers: Brian Welzien's Friend Speaks About the Last Night He Saw Welzien Alive (Season 1, Episode 4) Brian Welzien's friend talks to retired NYPD detectives investigating the Smiley Face murder theory about the night Welzien disappeared in 1999. Watch the Full Episode
