St. Mary’s School in San Antonio has an issues day each year. This year the issue was gun control. This video below is a copy of Dr. John Lott’s presentation at the event. The presentation took place on March 3rd, 2017.
A copy of the first part of the debate is available here (Dr. Lott’s presentation starts at 51 minutes and 56 seconds into the video).
Part 2 of the debate is available here.
Part 3 of the debate with questions from the students is available here.