Comparing Mystic River to Greek Tragedy

Many of today's novels, television shows, and movies have plots based on the classic Greek tragedy. Mystic River, a film directed by Clint Eastwood, follows this formula in some respect but it would be note worthy to examine how it differs.
Dave Boyle, Jimmy Markum, and Sean Devine are playing in the street when a sedan pulls up and then drives away with Dave in the back. The guys in the car were pedophiles who scarred Dave for life. This incident, considered to be the mysterious past sin of the Greek tragedy, influenced the three boys profoundly. As a result they would grow up to be d…