Columbine's Legacy: More Than 50 School Attacks, Plots

WTVD-TVColumbine's Legacy: More Than 50 School Attacks, PlotsWTVD-TVSouth Pasadena Police Chief Art Miller told ABC News the two suspects spent a lot of time playing a video game called "Super Columbine Massacre RPG [Role Playing Game]," studying it to copy the Columbine shooters' tactics. The teens ... An 18-year-old ...