Who attacks an old person whose job mostly involves smiling at people?

There's a 75-year-old guy named Mohindra Radhawa, and he works as a greeter at a Walmart in Cypress, Texas.

Well, last week, a 42-year-old guy named Craig Valentine was leaving the Walmart and when Mohindra gave a quick glance to his receipt, he noticed there was an 18-pack of Gatorade in the cart that Craig hadn't paid for.

And Craig responded by punching him hard in the face.

He tried to claim that Mohindra attacked HIM first, but the security cameras showed that wasn't true, and he was arrested on a felony charge of causing injury to an elderly individual.

Read more at The Smoking Gun / ABC 13 - Houston.