A jury in Pontiac, Michigan found Jennifer Crumbley, mother of shooter Ethan Crumbley, guilty in an unanimous verdict of four counts of manslaughter — one for each of the students killed in the shooting at Oxford High School in 2021. The sentence marks the first time a parent in the United States has been held criminally responsible for a mass shooting committed by their child. Jennifer Crumbley faces up to 15 years in prison per count and remains held on bond. She will be sentenced April 9. » Subscribe to MSNBC: https://www.youtube.com/msnbc Follow MSNBC Show Blogs MaddowBlog: https://www.msnbc.com/maddowblog ReidOut Blog: https://www.msnbc.com/reidoutblog MSNBC delivers breaking news, in-depth analysis of politics headlines, as well as commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Morning Joe, The Beat with Ari Melber, Deadline: White House, The ReidOut, All In, Last Word, 11th Hour, and Alex Wagner who brings her breadth of reporting experience to MSNBC primetime. Watch “Alex Wagner Tonight” Tuesday through Friday at 9pm Eastern. Connect with MSNBC Online Visit msnbc.com: https://www.msnbc.com/ Subscribe to the MSNBC Daily Newsletter: https://link.msnbc.com/join/5ck/msnbc-daily-signup Find MSNBC on Facebook: https://www.facebook.com/msnbc/ Follow MSNBC on Twitter: https://twitter.com/MSNBC Follow MSNBC on Instagram: https://www.instagram.com/msnbc Michigan AG Dana Nessel: Jury in Jennifer Crumbley trial made clear that ‘firearms are not toys’ #JenniferCrumbley #oxfordhighschool #schoolshooting