>> emergency, i got the whole shift coming your way. >> come in to the first hallway on the right, halfway down. we got multiple victims here. we need ambulances here as soon as possible. be advised, the suspect is in custody, only one suspect. >> you heard it, only one suspect. our justice reporter is here with me in washington. i know you've been checking with police. what are they saying about this suspect? >> you know, all of this went down in one section of the school. apparently he ran down the hall way, stabbing with two knives. some of the kids ended up in some of the classrooms and that's where they were found. we know the police, the fbi's on the scene. they're doing some interviews with some of the kids to see if there's anything they know of that has happened in the last few days that could possibly explain what set this suspect off, what set the 16-year-old off, and caused him to carry out this attack this morning. >> comes to school early with two knives and allegedly just