A police lieutenant in Grant Park, Illinois was fired on Tuesday after a year-long investigation into allegations that he sexually assaulted a family member.

According to Chicago’s ABC Channel 7 News, Lieutenant Stephen Nardi of the Grant Park Police Department was charged with felony sexual assault on a person under the age of consent.

The Associated Press reported that Nardi was ordered by a Will County Circuit Court judge to not contact the victim and to surrender all weapons and firearms to authorities.

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His bond was set at $250,000.

Grant Park Police Chief Carl Frey told the AP that the accusations against Nardi were unrelated to his duties as a police officer in Grant Park.

Nardi is due back in court on Sep. 10.

[image via Will County Sheriff’s Department]