Complex sentence: The same victim who had received the "Merry Christmas" call later received another call on January 2,1978; the call was recorded and the victim identified the caller as the same individual who had made the previous call.
Split into simpler sentences: The same victim who had received the "Merry Christmas" call later received another call on January 2,1978. The call was recorded and the victim identified the caller as the same individual who had made the previous call.