Wes Robinson

After discovering a video showing what he believes to be his sister's experiences in the demonic woods of the Blair Witch, James and a group of friends head to the forest in search of his lost sibling. (imdb)

This film, which was actually made for narcotics officers and was not meant to be seen by the general public, shows the destructive effects of marijuana, which produces "unpredictable emotional results", and shows a (phony) round-up of drug addicts in downtown L.A.--the implication being, of course, that they all started out using marijuana.