The student might create lists of individuals or groups targeted for violence, or research tactics and materials needed to carry out the attack. The student may conduct surveillance, draw maps of the planned location, and test security responses at school. He/she may write out detailed steps and rehearse some aspects of a plan, such as getting to the school, the timing of the attack, or whether to attempt escape, be captured, or commit suicide. The student may also acquire, manufacture, or practice with a weapon.
