As long as you are fully aware of what was just seconds away from happening to you and your daughter, ok. We still teach other non-lethal methods here because the "..fist to fist, club to club, knife to knife, gun to gun.." progression is so much played out in NC courts on both sides of the bench.
Glad everything worked out. Do yourself a favor and buy some O.C. spray.
He's not in North Carolina. He's in Texas. Good advice to a North Carolinian is not necessarily good advice to a Texan. A Texan can legally shoot a thief who is stealing their property while that thief is RUNNING AWAY, if that is the only way for the Texan to stop the robbery.