Four Flies on Grey Velvet ratings (Movie, 1971)

Roberto, a drummer in a rock band, keeps receiving weird phone calls and being followed by a mysterious man. One night he manages to catch up with his persecutor and tries to get him to talk but in the ensuing struggle he accidentally stabs him. He runs away, but he understands his troubles have just begun when the following day he receives an envelope with photos of him killing the man. Someone is killing all his friends and trying to frame him for the murders...

Soylent Green
Total votes: 71,982
Average rating: 7.0 Frenzy
Total votes: 50,455
Average rating: 7.4 The Andromeda Strain
Total votes: 41,346
Average rating: 7.2 Klute
Total votes: 31,119
Average rating: 7.1 A Cop
Total votes: 11,304
Average rating: 7.0 A Lizard in a Woman's Skin
Total votes: 6,000
Average rating: 6.8 The MacKintosh Man
Total votes: 5,331
Average rating: 6.3 Ten Little Indians
Total votes: 3,613
Average rating: 5.7 The Red Light Bandit
Total votes: 1,809
Average rating: 7.3 The Bloodstained Butterfly
Total votes: 2,127
Average rating: 6.3