Uinta County Sheriff's Office

Hartley should be considered dangerous and should not be approached.

The agency is asking anyone with information on Scott Hartley to contact the Uinta County Dispatch Center at (307) 783-1000.

McMillan was born in 1923, according to Sgt. Brooke Hale.

Chance Cole is 20 years old, standing 5'11 and weighing 170 pounds.

Multiple law enforcement agencies have been searching for him.