At 12:20 AM on October 19, 1985, a masked intruder barged into a home in Anchorage, Alaska and used a high-powered rifle to kill 25-year-old Douglas Cleves.

His case remains open and unsolved.

Anyone with information as to the identity of this person is asked to call Anchorage Police at 786-8900 or to remain anonymous and be eligible for a cash reward, call Crime Stoppers at 561-STOP or submit your tip using this secure website.

Sources for this episode include: The Associated Press, and the Anchorage Daily News.