Ian Ayres and John Donohue (1999) provide a useful and positive review of my book “More Guns, Less Crime,” and I agree with the directions in which they believe that more work can be done. Yet, there are some serious factual errors in their review and they also never discuss some of the strongest evidence. Finally, I was disappointed that they think that I had not responded to some previous objections raised to my research. Hopefully this response can help explain why these criticisms were mistaken.