An attack on a private Christian school in Nashville, Tennessee has left the shooter and six people dead, including three children. Police say the suspected shooter was a 28-year-old woman who was a former student at the school. Stephanie Sy reports, and Geoff Bennett speaks with Jillian Peterson, co-founder of The Violence Project, a nonprofit dedicated to data-driven violence prevention. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: TikTok: https://www.tiktok.com/@pbsnews Twitter: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Facebook: http://www.pbs.org/newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe