NBC7 San Diego: ‘Ghost Guns’ at Heart of Debate Over President’s Actions to Curb Gun Violence

But Michael Schwartz, the executive director of the gun-rights advocacy group San Diego County Gun Owners, said the rules penalize legal, law-abiding gun owners.

“I’m just not sure how it’s going to prevent or stop violent crime to have serial numbers," Schwartz said. "If somebody steals a gun -- and that’s typically where criminals get firearms, is they steal them -- and they trace it back to an owner, that doesn’t necessarily mean that that owner is the criminal."