shooter 15-year-old ethan crumbley now charged as an adult, appearing virtually at his arraignment along with his parents and his attorneys. this was not just an impulsive act. it was absolutely premeditated. reporter: the suspected gunman facing four counts of first-degree murder, a slew of weapons and assault charges, and a charge of terrorism after a five-minute shooting attack in the halls of oxford hoop. what about all the children who ran screaming, hiding under desks. what about all the children at home right now who can t eat and can t sleep and can t imagine a world where they could ever set foot back in that school? those are victims too, and so are their families and so is the community. and the charge of terrorism reflects that. reporter: video from inside the high school 40 miles north of detroit shows the shooter armed with a semiautomatic handgun firing at victims at close range, according to the oakland county sheriff, aiming towards their heads and chests, but
a school shooting in michigan making his first appearance in court today. prosecutors deciding to try him as an adult with charges ranging from terrorism to first-degree murder. here is cnn s alexandra field. i will enter a plea of not guilty on his behalf. reporter: the accused school shooter 15-year-old ethan crumbley now charged as an adult, appearing virtually at his arraignment along with his parents and his attorneys. this was not just an impulsive act. it was absolutely premeditated. reporter: the suspected gunman facing four counts of first-degree murder, a slew of weapons and assault charges, and a charge of terrorism after a five-minute shooting attack in the halls of oxford hoop.