Robert Christian Boes Hansen (February 15, 1939 – August 21, 2014), popularly known as the Butcher Baker, was an American serial killer active in Anchorage, Alaska, between 1972 and 1983, abducting, raping and murdering at least seventeen women. Many of the women abducted were released by Hansen into the wilderness and hunted with a Ruger Mini-14 and hunting knives. Hansen was captured in 1983 and sentenced to 461 years' imprisonment without the possibility of parole. He died in 2014 of natural causes at age 75.