Jorge Santiago, 42, of Derby was arrested on a warrant by Det.Walberto Cotto for an incident last July in an abandoned garage on Park Street, police said.
During the attack, Det. Cotto said Santiago, who had possession of a police-type radio, a badge and, firearm pretended to be a Bridgeport Police Officer and sexually assaulted the young woman in the abandoned garage.
Santiago was charged with aggravated sexual assault, threatening, and impersonation of a police officer, Cotto said.
His bond was set at $500,000.00.
"I want to personally thank all the officers that assisted in this case for their diligent and steadfast commitment to identifying and subsequently arresting Santiago," Cotto said.
Police are encouraging anyone who may have experienced something similar, to contact Bridgeport Police at 203-576-TIPS (8477).
Click here to follow Daily Voice Danbury and receive free news updates.