A Camdenton Man was killed Sunday evening after being pinned under his mower. Authorities responded to a call in Camdenton at Mistwood Hollow on Sunday evening at about 8PM. A John Deere tractor, driven by 64 year old Lloyd Thompson of Camdenton lost traction on a steep hill, overturned, pinning Thompson under the tractor. He was transported by Life helicopter to Lake Regional Hospital where he was pronounced dead at 9:22PM by Doctor Charles Judy. This is the fourth fatality for Missouri Highway Patrol Troop F for the month of June.