Preview Smiley Face Killers: Investigators Consult Retired FBI Ageny Bobby Chacon (Season 1, Episode 2) 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: Investigators Consult Retired FBI Ageny Bobby Chacon (Season 1, Episode 2) Retired NYPD detective Kevin Gannon and Criminologist Dr. Lee Gilbertson discuss Luke Homan's autopsy report with retired FBI agent Bobby Chacon. Watch the Full Episode
