The production continues , and after the filming of a pool scene the crew gather in catering ; Beeman discovers a severed finger in his sandwich , recognizing from its ring that it belonged to Niederman . When the sheriff shuts down production , Black theorizes that the killer may target the crew 's hotel ; he and Hollis arrive to find the body of the film 's publicist hanging from a rope . The next day , a film extra ( Gene Simmons ) confesses to the killings ; Black pokes holes in his story and discovers he ain't a credible perpetrator . Regardless , production is resumed — and shortly afterwards , several crew members are found with their throats cut , while Winston 's body hangs nearby in an apparent murder @-@ suicide .