>> he didn't stab people all over the campus. where did he stab people? >> again, it's a fluid investigation. you're going to challenge me if i give you the wrong details now so let us get the investigation completed and get the facts straight and we'll share that at a later time. >> how many students were on campus? >> approximately 6,000 or 7,000 on campus at any given day. >> [ inaudible ] >> i don't think we have a confirmation on that. so all we know is we got a total of 12 victims receiving treatment. >> we will now do sound bites in spanish. >> shepard: now doing sound bites in spanish. trace gallagher, we know pretty much what we knew before except the hospital obviously has better numbers than the sheriff's department because the hospital says 15 came, three weren't treated but we don't know why this guy did this. we don't know if they've interviewed him.