Teen goes on shooting spree, kills 15, self, injures 9

March 11, 2009 Winnenden and Wendlingen, Germany Tim Kretschmer (17) goes on a shooting spree, killing 15 and injuring 9 before killing himself At approximately 9:30 a.m., Kretschmer entered Albertville-Realschule, a secondary school he had left the year before. He headed straight to a classroom during a chemistry class and immediately began shooting students in…