He call came early in the evening on September 30, 2003. Ashley O'Donoghue, 20, could feel his cell phone vibrating in the holster on his right hip. He flipped open the phone and glanced at the caller ID. "Hey, Peter," he said. "What's going on?" Every time Peter called, Ashley knew he was going to make some money. Ashley didn't know much about Peter, not even his last name. He didn't know that Peter's father is a leader in the drug-abuse treatment field, or that Peter had just graduated from Collegiate, one of Manhattan's most prestigious prep schools. All...