A southwest Idaho teenager has recently been added to a state database of missing persons. Ada County authorities are asking for help from the public.

Matthew Dave Christensen is one of the newest profiles to be added to the Idaho State Police / Missing Persons Clearinghouse. Christensen is 17-years-old, a white male, and has blonde hair and blue eyes. His last known contact with family was September 29, 2019.

Christensen is 5'8", and weighs approximately 140 pounds. He was last seen wearing a blue shirt and blue jeans. According to information shared on the missing persons site, he may have left the area on foot, or could have accepted transportation.

If you have any information of the whereabouts of Matthew Dave Christensen, please contact the Ada County Sheriff's Office, at 208-577-3000.

There are currently more than 50 juveniles listed as missing on the Idaho State Police website.