Body Believed to Be Missing Hiker Found Near San Diego Trail

50-year-old Diem Le Nguyen disappeared during a charity hike in extreme heat; body found close to civilization.

Nguyen separated from her group of 100 hikers on Black Mountain's Nighthawk Trail.
She made a distress call to family, stating she was hot and needed water.
Search efforts included helicopters, drones, and search dogs.
The body was discovered a quarter-mile from reaching a populated area.
An autopsy will confirm the identity of the body.