The 2014 film about a serial killer who drew smiley faces on his letters to the media premiered on what network?
Happy Face Killer (film):  The film premiered on March 1, 2014, on the Lifetime network and starred David Arquette as Jesperson. Keith Hunter Jesperson:  He was known as the "Happy Face Killer" because he drew smiley faces on his many letters to the media and prosecutors.
Lifetime