The Park Is Mine (1986) Tommy Lee Jones stars as a crazed 'Nam vet pitted against authority figures in Central Park.
Choke Canyon (1986) An environmental scientist who can transform sound waves into energy runs afoul with the nuclear power company he's renting land from.
Prime Suspect (1982) Made-for-tv movie about a guy who gets accused of abducting and murdering and/or sodomizing a small child.
City of The Walking Dead (1980) Italio-horror by veteran Umberto Lenzi. Plenty of gore, boobs and gory boobs.