Authorities are looking for Jorge Borrero, 18, who last was known to be living in the borough.
He was charged with murder and possession of a handgun for an unlawful purpose in the death of Malcolm Harvey, 17, of Pershing Avenue.
Police found Henry lying on the sidewalk along Pershing, about 50 feet away from the borough library just after 6:00 p.m. on February 16.
Borrero last was seen on the day of the homicide.
Police say he may be armed and dangerous.
He is a 5-foot, 10-inch-tall Hispanic male weighing 150 pounds.
Anyone with information is asked to call Sgt. Novak at (732) 541-3814, Detective Lilavois at (732) 541-3858, or Investigator Crocco at (732) 745-4471.