Cases where CCW holders have stopped likely mass public shootings
crimeresearch.org
crimeresearch.org
John Lott created a fake persona, "Mary Rosh", to review his own work[1]. Lott's research has been repeatedly debunked[2], and there are credible arguments that he's an academic fraud[3]
1 https://reason.com/2003/05/01/the-mystery-of-mary-rosh-2/
2 https://www.armedwithreason.com/shooting-down-the-gun-lobbys...
3 https://archive.thinkprogress.org/debunking-john-lott-5456e8...
https://injuryprevention.bmj.com/content/6/4/263
These results have a lot of room for interpretation.