(Patty Hearst) American heiress kidnapped by radical terrorists and who joined their cause, she was apprehended by the F.B.I. after a search for many months. Original F.B.I. "Wanted' poster, 12in x 20in, May 20, 1974, picturing Hearst with fellow criminals William and Emily Harris and describing her as having: ". . used guns to avoid arrest... considered armed and very dangerous .