A teenager accused of killing four fellow students and entering more at a Michigan high school is expected to plead guilty to murder Ethan crumley had created images of violence during a classroom assignment last November but was not sent home from Oxford high school in court prosecutor marquise says crumley later went into a school bathroom with a backpack and came out with a gun At that point he methodically and deliberately walked on the hallway aiming the firearm at students in firing Chief assistant prosecutor David Williams says crumley is expected to plead guilty Monday to all 24 charges including terrorism Investigators say crumbley's parents had declined to take him home on the day of the shooting but were told to get him into counseling