Pacific Street Films
Pacific Street Films is most notable for its film "Red Squad" ( 1971 ) , a documentary about the notorious New York City Police Department Red Squad in operations in the 1960s and 70s , and "Frame-Up: The Imprisonment of Martin Sostre" ( 1973 ) , a documented account of the arrest of a radical African American bookstore owner Martin Sostre in Buffalo , New York . 
<triplet> Martin Sostre <subj> African American <obj> ethnic group