11h 33min, apr 20, 1999 y - Klebold walked to the east area of the library. Harris walked from the bookcase, past the central area to meet Klebold. The latter shot at a display case next to the door, then turned and shot toward the closest table, [23]hitting and injuring 17-year-old Mark Kintgen in the head and shoulder. He then turned toward the table to his left and fired, [24]injuring 18-year-olds Lisa Kreutz, Lauren Townsend and [25]Valeen Schnurr with the same shotgun blast. (Timeline)