Norco store owner shoots attempted robbery suspect

Four men allegedly tried to rob a Norco store .

Caught on camera: 80-year-old Norco store owner shoots attempted robbery suspect

The attempted robbery happened at around 2:45 a.m. Sunday.

When Cope saw the would-be robbers entering the store, he out a shotgun behind the counter and shot one suspect in the arm.

As the robbery suspect retreated, security cameras also captured him running back to a vehicle outside.

"He shot my arm off, he shot my arm off," he can be heard screaming.

The 80-year-old has owned the convenience store since 1967.