Part of the ongoing investigation into Wednesday's mass shooting at the Chiefs Rally at Union Station is focusing on the possibility of charging the parents or guardians of the two juveniles already facing charges in that case. Subscribe to KMBC on YouTube now for more: http://bit.ly/1fXGVrh Get more Kansas City news: http://www.kmbc.com Like us: http://facebook.com/kmbc9 Follow us: http://twitter.com/kmbc Instagram: https://www.instagram.com/kmbc9news/