MONTGOMERY COUNTY, Texas (KTRK) -- A Magnolia police officer turned school bus driver has been charged with sexually assaulting a child, according to the Montgomery County Precinct 3 Constable's Office.

Brandon David Muse, 44, was arrested Tuesday in Minden, Louisiana, where deputies say he was working as a school bus monitor.

Investigators say Muse assaulted a 14-year-old girl three years ago in Montgomery County, although she didn't come forward until May.