>> their private security is employed by the school district, in addition to us having a school resource officer that covers oxford schools. i know some of them were there yesterday. i'm not sure all the specific ones. so we really don't want to get into identifying personnel at this point, but there were private security, people employed by the school, and i know at least one or two were there yesterday. >> sheriff, the prosecutor said -- i'm sorry -- she said it's been considered or looked into, but from where you sit with the evidence you've found, do you see criminal negligence on behalf of the parents? >> i think that would have to be a tbd, to be determined, as the investigation unfolds. we present it to the prosecutor, and she'll make the decision. >> sheriff, how did the gun get inside the building? >> you know, speculative, obviously, but my guess is he carried it in, either in his backpack or his waist. >> sheriff, can you -- and i apologize for the repetitive question. can you explain again the