Newhall, California, Estados Unidos
(Gutchel's Pet Store scenes.)
Los Ángeles, California, Estados Unidos
(Location)
MacArthur Park, Los Ángeles, California, Estados Unidos
(Lake in center of city scene. Police place charges in lake.)
Hyperion Water Reclamation Plant - 12000 Vista del Mar, Playa del Rey, Los Ángeles, California, Estados Unidos
(Body parts found in water reclamation plant scenes.)
30 abr 1980 - 9 jul 1980
30 de abril de 1980 - 9 de julio de 1980