Presentation at the St. Mary School's Issue Day in San Antonio

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. The entire 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.