Police have released surveillance video of the alleged gunman in a shooting outside a Brooklyn deli that left a man fighting for his life.

Police say the shooter is seen in the image at right in the black and grey-striped hood with black jeans.

Authorities say he and three others followed the victim from a deli on Lincoln Road in Prospect Lefferts Gardens Friday morning.

The victim was shot in the back of the head and remains in critical condition.

Police are also looking for three people who were seen in the video with the alleged shooter.

Anyone with information on the case should contact the Crime Stoppers hotline at 1-800-577-TIPS, or text CRIMES and then enter TIP577, or visit www.nypdcrimestoppers.com.