A Missing/Endangered Person Advisory has been issued for a 16-year-old boy who has been missing from Sweet Grass County for three weeks.
Marshall Dammann was last seen on June 29, 2019. There is growing concern he may be endangered.
Marshall is white, 5’7″, 160 pounds, and has blue eyes and blonde hair. He was last seen wearing a white and grey sweatshirt and white tennis shoes.
Authorities believe Marshall may be headed to Great Falls or Livingston.
If you have any information regarding Marshall’s whereabouts, you’re asked to call the Sweet Grass County Sheriff’s Office at (406)932-5143 or 911.