HARRISBURG, Pa. — A central Pennsylvania man has been found guilty of the gunpoint robbery of a retired New York City police officer during a conference for narcotics officers.

A Dauphin County jury on Tuesday convicted 19-year-old Jerome Blanchett of Harrisburg of robbing former NYPD Lt. John Comparetto in a bathroom at a hotel hosting a meeting of the Pennsylvania Narcotics Officers Association.

Blanchett was sentenced to 6½ to 13 years in prison after being convicted of the March 2009 robbery.

About 300 police officers were at the hotel — which had signs welcoming law enforcement officials — at the time of the attack. Comparetto and other attendees chased Blanchett down after the robbery.

Blanchett is currently serving a 52-year sentence on other robbery charges.