The Money Jungle (1967)

At Stake...TEN BILLION DOLLARS! In the Most Bizarre Crime Caper Ever Conceived!

When four geologists who form a combine of five industrial companies turn up dead, the race is on to determine whether the culprit is a group of high-powered industrial interests or the government. A trouble-shooter is hired to find a net of deadly intrigue and treachery. The prize: a field to be leased to private industry by the state.