Newhall, California, USA
(Gutchel's Pet Store scenes.)
Los Angeles, California, USA
(Location)
Downtown, Los Angeles, California, USA
(Location)
MacArthur Park, Los Angeles, California, USA
(Lake in center of city scene. Police place charges in lake.)
Hyperion Water Reclamation Plant - 12000 Vista del Mar, Playa del Rey, Los Angeles, California, USA
(Body parts found in water reclamation plant scenes.)
Apr 30, 1980 - Jul 9, 1980
April 30, 1980 - July 9, 1980