Missing(1982)

“Ed Horman thought that being an American would guarantee his safety. His family believed that being Americans would guarantee them the truth. They were all wrong.”

Based on the real-life experiences of Ed Horman. A conservative American businessman travels to Chile to investigate the sudden disappearance of his son after a military takeover. Accompanied by his son's wife he uncovers a trail of cover-ups that implicate the US State department which supports the dictatorship.