I 100% agree with this films 1st review by EveryManHisPart, this is a great review, thorough and well put!
HOWEVER, that upon a bit more reading and online research please note that this is NOT necessarily a "fake" documentary. It follows the same standards of presentation as any other television or film documentary in that it does list actors that portrayed actual persons in reenactments in a few scenes, but certainly not the whole film is represented by actors. The official movie page "The Smiley Face Killers - The Award Winning & Horrifying Documentary Feature Film" on YouTube (uploaded by NewDawnFilm.com) clearly states in the "About" section:
"Through in depth interviews with victims family members and experts, *REENACTMENTS* and behind the scenes footage - this film gives an in depth look at what motivates this murderous gang that's accountable for over 80 murders across 13 states."
(*emphasis added*)