Christopher Harriman of Sebago was recently promoted to sergeant in the Maine State Police. He was promoted by Colonel Fleming before a group of family and co-workers this week in ceremonies in Augusta.

Harriman is the new sergeant in the southern criminal division. He will oversee a team of detectives who investigate homicides and suspicious deaths in York and Cumberland counties. He is an 18-year member of the state police and has been a detective since 1999. He also is the commander of the state police bomb disposal team.