UPDATE: The boy has been found safe.
Missoula Police have issued a Missing and Endangered Person Advisory (MEPA) for Donivan Charlie.
Charlie is a 13-year-old Native American Male. He's described as 5'9", 170 lbs with sandy hair and brown eyes. He was last seen wearing jeans, t-shirt, red and black ski coat with black tennis shoes.
According to an alert, Charlie left is his custodial parents on foot from 3220 N. Reserve Street in Missoula. Charlie is diagnosed with autism and bipolar disorder.
Please call 911 or Missoula Police at 406-552-6300 if you have any information.