non-life threatening injuries. those two students are expected to survive. but yes, the big question at this hour, not only the whereabouts of this alleged shooter but as you mentioned, how that gun got into the school in the first place. >> sad situation. thanks so much, nick. bringing us the latest details. thank you. now new details about a different school shooting. this one, a month ago in colorado. a security guard at arapahoe high school is now speaking out, saying the school didn't do enough to prevent the shooting in december. in a post on facebook, cameron rust claims alleged shooter karl pearson had previously threatened teachers and looked up guns on the internet while on campus. >> after we noticed that he quickly closed his computer and we immediately told her supervisor what we saw, and we were told he would bring it up in their administration meeting, and then that following monday after the administration