As a young lad growing up in Norwalk, California, Patrick McGilligan was entranced with the legendary bluesman, Robert Johnson. Not with his fantastic innovations on the guitar, nor with his groundbreaking music. No, Patrick had heard the tale of the bluesman heading to the crossroads and swapping his soul with Satan to learn to play the blues. Patrick became consumed with the idea of making a pact with the devil. What kind of pact? Well, it took...