Bringing a knife to a gun fight?

Not a problem if you are a Marine.

Stephens says one of the attackers had a shotgun and another had a pistol.

The suspects eventually caught up with Autry. But Autry — who managed to pull a knife out of his backpack — kicked the shotgun out of one of the attacker's hands. He stabbed a teenage girl who jumped on him and a man who attacked him.