Man robs 4 people and police are looking for suspects

Man only known as “cj” was spotted on camera robbing 4 people for there controlled substance marijuana . Seems like a drug deal gone wrong suspect “cj” seen on film smoking the pot with the defendants when he coughed yelled something about how fire it was then hit the guy in the head with a shovel and ran off. Police are asking for help locating suspect he was last seen in Brooklyn park area smoking big blunts and selling zips buy 1 get 1. Call your momma if you see or no whereabouts of cj