Wallkill police said the man in khakis entered the Galleria at Crystal Run mall with a woman and a child on Sunday.
The man is seen moving the child near the doorway as they entered the mall.
WEB EXTRA: Watch the full clip here:
About 5 minutes later, a gun discharged. Police said they're not sure if the gun was fired intentionally or by accident.
Debris or a ricocheted bullet injured a mother and her 12-year-old son.
The man, the woman and child are then captured on surveillance video walking out of the mall.
The mall was evacuated and police began investigating -- but the person who fired the shot has not been located.
Anyone with information about the man in the video is asked to contact police.