COLUMBUS, Ohio (AP) – Federal authorities allege that the former Ohio State Highway Patrol post commander, accused of stalking a subordinate’s wife, put a GPS tracking device on her car so he could follow her.

A criminal complaint filed Wednesday in federal court in Columbus accuses former Marietta post commander William Elschlager of cyberstalking and deprivation of rights under color of law. He was arrested Tuesday.

An FBI affidavit says the 48-year-old Elschlager had an affair with a colleague’s wife in 2015 and began stalking her after the relationship ended.

State charges related to stalking and accessing personal information about 10 other women from a law-enforcement database have been dismissed

Elschlager’s attorney told The Marietta Times arresting Elschlager instead of allowing him to surrender on his own was meant to embarrass him.