Brittanee Drexel A 17-year-old girl who was abducted in Myrtle Beach, South Carolina, in 2009 was gang-raped, shot to death and tossed into a swamp filled with alligators, according to the FBI. A prison inmate told FBI agent Gerrick Munoz he was present when Brittanee Drexel was raped and murdered, according to a federal court transcript…