1972
PG (11/22/1972) (US) 
Drama, Thriller, 
1h 40m
They called it an accident. He called it murder. It was their conspiracy. It was his son.
Overview
An accidental nerve gas leak by the military kills not only a rancher's livestock, but also his son. When he tries to hold the military accountable for their actions, he runs up against a wall of silence.