Mark Ronchen, a 65-year-old Airforce veteran, was last heard from on April 18, 2022. He was in Florida before heading to Montana to gather his belongings, with plans to move to Springfield, Ohio. Mark suffers from mental illness and is treated through the VA, though he has not attended any recent appointments. He has multiple tattoos including an Airforce tattoo on his upper right arm, a tiger on his upper left arm, and a dragon on his left forearm. A missing person case has been filed in multiple states, with a specific case number in Chicago, Illinois.