Customers cleared shelves and police were called in to control crowds taking advantage of suddenly unlimited spending allowed on their Electronic Benefits Transfer cards, which are issued to recipients of government food stamps. Spending limits on the cards were reportedly disabled for about two hours. - Mitchell Tsai

Xerox, which runs parts of the EBT system, said a power outage during a routine maintenance test caused the glitch. - Mitchell Tsai

Walmart’s corporate headquarters told the store to continue selling to EBT card holders despite the glitch. A spokesman for Walmart later told KSLA that the company continued selling to shoppers “so that they could get food for their families.” - Mitchell Tsai