Harris then walked to a table south of the lower computer table, with two students underneath: Cassie Bernall and Emily Wyant. Harris slapped the surface of the table twice as he knelt, and said "Peek-a-boo" before shooting Bernall once in the head with the shotgun, killing her. Harris had held the gun with one hand at this point; the weapon hit his face in recoil, injuring his nose. He told Klebold he had done so, and Klebold angrily responded "Why'd you do that?"