Georgia Supermarket Cashier Fatally Shot Over Face Mask Dispute

A 30-year-old suspect argued with a cashier over a store's mask policy, left, and then returned to shoot her. Another cashier was grazed by a bullet. An off-duty sheriff's deputy in the store shot at the suspect, who was later arrested by police as he tried to escape. The deputy was also treated for injuries.

What was the role of the off-duty sheriff's deputy during the incident?

What happened to the sheriff's deputy after the incident?