Donahue later, using a different methodology, found that right to carry laws “are associated with 13-15 percent higher aggregate violent crime rates ten years after adoption.” [More]
Unless he can prove that the increase was due to a corresponding uptick in previously non-"prohibited persons" going off the rails, I'd say this guy is an agenda-driven fraud.
The grabbers don't want "honest debate" because they know it would expose them for what they are. When they talk about the need for a "national conversation on guns," that means they do all the talking. and that it's limited to their lies, demands, name-calling, and death wishes.