The Mohave County Sheriff’s Office (MCSO) has announced the promotion of Dave Coffin to the rank of sergeant. Coffin is recognized as a valuable member of the Mohave County Sheriff’s Office. He came to MCSO in June, 2018 with 22 years of prior law enforcement experience. After exceeding his duties as a deputy, Coffin was selected for a transfer to the Detective Division in February, 2019. He has demonstrated that his knowledge and experience will help him excel as a supervisor.