Liberty man charged after alleged threat on social media

A Liberty man has been charged after allegedly making a threat on social media to carry out a mass shooting.The Clay County Sheriff's Office said 19-year-old Nicholas Scott Brown has been charged with making a terrorist threat -- a first-degree felony.The Sheriff's Office said this was a cooperative investigation between the Clay County Sheriff, Liberty, Missouri, police; and the FBI. Authorities said Brown was arrested last week after someone called authorities regarding a mass shooting...