Digital Original
DNA Solves 46-Year-Old Murder Of 5-Year-Old Siobhan McGuinness
oxygen Insider Exclusive!

Create a free profile to get unlimited access to exclusive videos, sweepstakes, and more!

Sign Up for Free to View

DNA Solves 46-Year-Old Murder Of 5-Year-Old Siobhan McGuinness

Siobhan McGuinness vanished on Feb. 5, 1974, just blocks away from her home in Missoula, a Missoula Police Department said. Now 46 years later, authorities have identified her murderer as Richard William Davis through DNA evidence.