BEDFORD, Ohio — Bedford High School football coach Sean Williams was sentenced to six years behind bars on sexual battery charges amid a relationship with a student.

Authorities began investigating Williams, 43, in October amid accusations he'd been having a sexual relationship with a teen student. 

Police reports say investigators collected a Bedford High School cheerleading skirt, a La Quinta hotel room key and a receipt from Tiffany & Co. as evidence. Williams was arrested Nov. 14, court documents state.  

Williams was indicted on six charges of sexual battery and entered a plea June 6, court records state.

A former NFL defensive back, Williams has been Bedford's head football coach since 2011. The district website also listed him as a special education teacher. 

RELATED: Bedford football coach indicted on sexual battery charges