Most of the information for this podcast came from:
Skyjack: The Hunt for DB Cooper, by Geoffrey Gray
Skyjack: The Hunt for D. B. Cooper
Also: DB Cooper: The Real McCoy, by Bernie Rhodes and Russell Calame
D.B. Cooper: The Real McCoy
The music for this podcast came from:
Kevin Macleod: I Know A Guy and Vibe Ace
Also, Quantum Jazz, End of Line