Apparently a scumbag
Nick Yarris, the subject of the documentary 'the Fear of 13', recently stated on the Joe Rogan that director David Sington never paid Nick for his participation in the movie. Nick had requested some payment after his infant child died from SIDS and needed money for her burial, Sington refused stating he didn't owe him anything.
Joe Rogan - Crazy Prison Story
https://www.youtube.com/watch?v=vOnqR2_kODs&t=19m45s