William Ewasko of Marietta, Georgia was last seen on June 24, 2010 in the Joshua Tree National Park area. He planned to hike alone in the Joshua Tree National Park and was considered an experienced hiker and had hiked the area several times before.

Gallegos left her father’s Lakeside, Arizona residence on May 20, 2010. She got into a vehicle with two men, one of whom was Jacob Mata, and they went to Phoenix, Arizona to purchase heroin.

After the group bought the heroin, one of the men left and another woman joined Gallegos and Mata. They were on the way to Show Low, Arizona on State Route 87, when they got lost and ended up on a Forest Service road in the White Mountain Apache Forest.

Young was last seen in San Luis Obispo County, California on April 28, 2010. He left for a camping trip at Plaskett Creek Campground in the Los Padres National Forest and was expected to return a few days later, but never did.

Truitt was last seen by her roommate at their residence in Alameda, California on January 6, 2010. She has never been heard from again. On January 9, her tan 2003 Ford Ranger pickup truck with a bed liner and the California license plate number 7C23799 was found by federal park rangers at McClure’s Beach at Point Reyes National Seashore in Marin County, California.