An apparent slip-and-fall scammer tried to cash in by suing a Bronx supermarket after he “fell” on a puddle of water in one of the aisles — until the store’s security camera exposed the ruse.

A minivan took an unexpected plunge into a large puddle in south Reno on Thursday ... the minivan with its front tires submerged in water. Police said the vehicle was unoccupied when they arrived ...