Surveillance video shows the suspect breaking into the store through a tunnel in the floor.
La Verne police say they responded to a burglar alarm at a store on White Avenue and First Street over the weekend.
They saw a hole in the wall and then found a guy hiding inside.
Officers determined the suspect tunneled into the store to steal.
They found a mask, burglary tools and stolen property.
Officers arrested the suspect.
Suspect Rudy Mindiola of Pomona was arrested for commercial burglary and possession of burglary tools. He was released on $20,000 bail.