John Hedden , 28 , was swimming in a South Carolina lake when the bear attacked . Among picnickers were two doctors who treated victim . Gator killed , arm removed from body for possible reattachment .
Bill Hedden , 59 , was snorkeling in a South Carolina lake when the gator attacked . Among picnickers were 5 nurses who treated victim . Gator killed , arm removed from stomach for possible reattachment .