The accused cult leader has been extradited to the United States and is set to be arraigned in Brooklyn, NY, later on Friday.

The 17-year-old Antioch High School shooter said before the attack he was acting on behalf of the group known as MKY.

In his 18-page indictment, Michail Chkhikvishvili was linked to radicalizing Solomon Henderson, the 17-year old Antioch High School student who shot and killed a classmate before turning the gun on ...