After 11 hours of deliberation, James Crumbley, the father of convicted school shooter Ethan Crumbley, was found guilty of involuntary manslaughter. Prosecutors say Crumbley ignored his son’s mental health and failed to take simple precautions to secure the handgun he bought his son as a present. NBC’s Adrienne Broaddus reports for TODAY » Subscribe to TODAY: youtube.com/@TODAY About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: today.com Find TODAY on Facebook: facebook.com/today Follow TODAY on Twitter: twitter.com/TODAYshow Follow TODAY on Instagram: instagram.com/todayshow » Stream TODAY All...