RIVERTON (AP) — Investigators say they haven’t given up trying to solve the mystery of a woman who disappeared while jogging in the mountains of Wyoming 20 years ago this summer.

Fremont County Undersheriff Ryan Lee says investigators suspect somebody was involved in the disappearance of 24-year-old Amy Wroe Bechtel in 1997.

But he says there is no solid evidence to support that theory. Lee...