Mystery of mass shooting motives: What if we never learn why?

As the U.S. grapples with a rash of mass shootings, families are left to wonder what prompted the violence. But many times there are no clear answers. ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌

Daily Briefing YOUR MORNING NEWS ROUNDUP   Saturday, August 17 Mystery of mass shooting motives: What if we never learn why? As the U.S. grapples with a rash of mass shootings, families are left to wonder what prompted the violence. But many times there are no clear answers. Try ad-free, for free: Get a 14-day free trial of the storytelling you love on the USA TODAY app. U.S. issues warrant to seize Iran oil tanker Watch: Bill Walton joins MLB booth and it's amazing New Orleans reporter killed in plane crash while... 5 things you need to know this weekend Actor Peter Fonda, star of 'Easy Rider,' dies at 79 Locklear sentenced to 30-day treatment program Child found dead inside locked vehicle in N.J. Warren releases plan to uplift Native Americans Yankees manager: Mercy rule could be beneficial STORY FROM WALMART.COM 8 items you need for the perfect vacation Start your day with the 5 Things podcast: Five news stories. Less than five minutes. Free to subscribe. MORE ARTICLES FROM USA TODAY Elizabeth Smart's father comes out as gay New details on Dale Earnhardt Jr. plane crash Surgeon General to get Trump's quarterly salary Greenland tells Trump it's 'not for sale' What we know about Earnhardt Jr.'s plane crash Most Popular Videos & Galleries PHOTO GALLERY 'Easy Rider' star Peter Fonda dies at 79 PHOTO GALLERY These are the airlines with the most delays PHOTO GALLERY Woodstock 50th anniversary celebration PHOTO GALLERY Livermore, California: Welcome to laid-back wine country   FOLLOW US Problem viewing email? View in browser Unsubscribe • Manage Newsletters • Feedback • Privacy Policy/Your California Privacy Rights • Ad Choices • Terms of Service © 2019 USA TODAY, a division of Gannett Satellite Information Network, LLC. 7950 Jones Branch Drive, McLean, VA 22102