The woman alleges that Young pulled her into his lap and touched her crotch and pinned her against lockers on two occasions, according to documents.
Young is also accused of grabbing a woman’s buttocks at least 40 times.
Young, who was a sergeant, resigned from the department on Jan. 11. He was placed on administrative leave on Nov. 22, 2016, according to an internal report reviewed by this news outlet.
Another person interviewed by police said Young drove the woman to the university airport multiple times in an attempt to have sex with her.
The Hamilton Police Department conducted the criminal investigation that resulted in a direct indictment on April 26, which was sealed until Young’s arrest.
Young has been out of jail after posting 10 percent of a $50,000 bond, according to court records.
Both Young and his attorney have declined to comment.
This article contains previous reporting by staff writer Lauren Pack.