Killers Are Challenged (1966) is a Adventure, Action film that follows when a trio of scientists who have discovered an alternative energy source starts dying mysteriously Bob Fleming goes to Casablanca to solve the mystery. Killers Are Challenged is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.0 out of 10 from 7 votes. Fans of adventure movies may also want to explore similar titles below.