One of Sheriff Tom Dart's Cook County Sheriff's Officer, Fernando Rodriguez, 52, was charged with attempted aggravated criminal sexual assault; aggravated unlawful restraint; and official misconduct

UPDATE: Cook County sheriff's deputy charged with attempted sex assault of prostitute - CLICK FOR UPDATE

A Cook County sheriff's officer who was in bond court Thursday is facing a charge of attempted sexual assault, authorities said.

Fernando Rodriguez, 52, was charged with attempted aggravated criminal sexual assault; aggravated unlawful restraint; and official misconduct — all felony counts, Chicago Police said.

Rodriguez was arrested after he allegedly persuaded a 37-year-old woman to enter his vehicle about 1 a.m. Dec. 31 in the 1500 block of North Avers, police said. When she tried to leave, he stopped her and attempted to sexually assault her while armed with a handgun, police said.

It wasn't known whether he was arrested at the time of the incident.

CLICK FOR MORE