Police solved a cold case on the 40th anniversary of the woman’s death. But the murder suspect died two years ago

One spring evening, 40 years ago, a Utah teenager told her loved ones she was hitchhiking to work in downtown Salt Lake City. An hour later, the 18-year-old was dead.

Christine Gallegos had been sexually assaulted, beaten, shot and stabbed to death on May 15, 1985, Salt Lake police said.