Gilgo Beach Killer’s ‘Unusual’ Deal Could Help Solve Other Murders

Rex Heuermann agreed to talk to behavioral analysts at the F.B.I. when he pleaded guilty. The unit has interviewed Ted Bundy, John Wayne Gacy and Richard Speck.“They’re going to hopefully gain insight into the things that created him, that drove him, what causes this?” the Suffolk County district attorney, Raymond A. Tierney, said.