Police issued an Amber Alert Saturday for a missing 16-year-old girl who might have left with a sex offender.

Investigators say Kathleen Porter was in communication with a possible sex offender. Porter could be with a 27-year-old man in the Pensacola, Fla., area, police say.

Porter, reported missing Saturday morning, is a white female with green eyes and dark brown long hair. She is about 5'5" and weights about 90 to 100 pounds.

Anyone with information that can help locate Kathleen Porter should contact the New Orleans Police Department at 504-821-2222.