NEW YORK CITY (WABC) -- There are new details about a suspect wanted in a string of frightening robberies in New York City.
Police released a surveillance image of a man they're looking for.
The suspect is described a man in his 20's, 5'10", 150 lbs,with red hair, who was last seen wearing a black hooded sweatshirt, black pants, and had a chain around his neck.
They believe he's responsible for at least four robberies since late last month, three of them on subway trains.
During two of the crimes the suspect slashed a subway passenger with a razor or knife.
Police release photo of suspect wanted in subway robberies