A former supervisor in the Town of Tonawanda Police Department’s 911 center – accused of an extensive pattern of sexual assault and harassment of female co-workers – faces up to 10 years in prison after pleading guilty to charges Thursday.

Brett A. Rider, 48, of Kenmore, pleaded guilty to two counts of attempted rape and one count of sexual abuse, all felonies. The crimes occurred between 2009 and 2019…