School Bent News Today

Rush to arapahoe high school following reports of gunfire. >> at this time we do have one student down and they have found shotgun shells. >> it was terrifying because i heard gunshots. >> 18-year-old karl pierson entered the school bent on revenge. >> everyone said that he was armed with a shotgun. the individual also had multiple shotgun ammunition strapped across his body and he was also armed with a machete. >> reporter: his target was his debate coach. >> hi, im karl pierson. >> reporter: h...