Needs an education on guns and CRIME. I know more than she does. Recidivism http://www.bjs.gov/index.cfm?ty=tp&tid=17
You will have to do the math to extrapolate it out to 100% as the government only does 45%. This one is older, but the only one available. The number of repeat crimes committed by people on parole and probation is APPALLING. Parole and Probation https://www.ncjrs.gov/txtfiles/ppvsp91.txt
John Lott JR on gun control http://www.armedwithreason.com/shooting-down-the-gun-lobbys-favorite-academic-a-lott-of-lies/
That last link is a hit piece on John Lott