MIAMI -

Miami-Dade Crimestoppers is asking for the public's help finding a cell phone store robber suspect who they say is armed and dangerous.

Police are looking for 22-year-old John Arthur Lee Jones.

Jones tried robbing an AT&T store in Miami Springs Sunday, police say. He shot at an employee but missed following a fight.

Jones was last seen leaving the area in a black Buick Enclave with a silver roof rack. The last three digits of the license plate were 688.

Jones also robbed the Metro PCS Store at 4880 NW 183rd St. in November 2012, according to investigators.

If you have any information that could lead to his arrest, please call Crimestoppers at 305-471-TIPS (8477) or 1-866-471-8477.