Detectives released surveillance video of the suspect running north on Brook Avenue towards East 168 Street.
The shooting happened in the Tremont section early in the morning on June 5th.
Investigators believe the man fired into a group of people and then took off running.
A bullet struck the 19-year-old victim in the calf.
The suspect is described as a black man, wearing a blue Yankee baseball cap, blue shorts, dark colored sneakers and a dark colored hooded pull over with an orange or red colored Chicago Bears Football logo on the front.
Anyone with information in regards to this incident is asked to call Crime stoppers at 1-800-577-TIPS (8477). You can also submit your tips by logging onto the Crime stoppers website at WWW.NYPDCRIMESTOPPERS.COM or by texting your tips to 274637 (CRIMES) and then entering TIP577.