“Detroit 9000” (1973) Action Running Time: 106 minutes Written by: Orville H. Hampton Directed by: Arthur Marks Featuring: Alex Rocco, Hari Rhodes, Vonetta McGee, Herbert Jefferson Jr. and Ella Edwards TAGLINE: “Only cops with fast fists and fiery 45's answer "POLICE-CALL 9000!"” "Detroit 9000" (1973), directed by Arthur Marks, is a fascinating and often gritty entry into the blaxploitation canon that transcends some …