After a pregnant woman is found sexually assaulted, strangled and dumped in her bathtub in New Hampshire attempts at a DNA match are unsuccessful. 10 Years later a presentation on another unsolved homicide, in a similar manner, helps investigators to connect the dots.\n\n\nBabbel - Get up to 60% off your Babbel subscription at Babbel.com/COLDCASE\n\n\nGreenlight: Get your first month FREE when you go to Greenlight.com/coldcase