Helene Pruszynski was from Hamilton, Massachusetts. She had been working as an intern at KHOW-AM for two weeks when she was killed on Jan. 16, 1980. She was found stabbed to death in a field the following day in a field in Englewood, CO. Investigators believe she was abducted while walking from a bus stop after work to her aunt’s home in Englewood, where she and a friend were living. It would take…