Why did D.B. Cooper jump out over the Rockies?

 Escape or Die

                                              True Crime Mysteries

A question which has been asked many times since the escape of D.B. Cooper, is what made him jump out over the Rockies?

The answer to this question is easy to understand, his origianl plan was to try to fly to Mexico, but he realised the plane would need to be refueled, and after landing, the police would stop the plane taking off, which left D.B with no options.

The choise was either to go to risk the jump, or spend his life in jail.