On June 23, 2021, 24-year-old geologist Daniel Robinson, drove his 2017 blue Jeep Renegade away from his job site in the desert area west of Sun Valley Parkway just north of Cactus Road in Buckeye, Arizona. He hasn’t been seen or heard from since. Daniel’s father, David, speaks with Dateline’s Josh Mankiewicz about his tireless search for his son. Daniel is 5’8”, and weighs 165 lbs. He has black hair and brown eyes and is missing part of his right arm below his elbow. If you have information, call the Buckeye Police tip line at (623) 349-6411.