Flynn was last seen in Llano, California at 9:00 a.m. on May 1, 2016. He told his family he was going for a hike in the San Gabriel Mountains for a few days.

Zaldivar was last seen in Rialto, California on January 25, 2016. He left home early that morning without telling anyone and has never been heard from again.

Aujay went for a day hike in the Devil’s Punchbowl area of the Angeles National Forest on June 11, 1998. He never returned. The Devil’s Punchbowl is a remote park on the north slope of the San Gabriel Mountains.