an adult security guard working at the school was one of those stabbed. stabbed in the stomach, in fact. the suspect, the person allegedly behind all of this carnage, a kid himself, a male sophomore at the school, and that young man was cuffed on the scene and is now in custody, also injured himself. the police say he was actually flashing two knives as he made his way down the hallway of the school. all of this unfolding just after 7:00 this morning. before the first classes could even get under way at franklin regional high school in murraysville, pennsylvania. it's about 15 miles east of downtown pittsburgh. want to let you hear some audio of the police responding to the scene. >> i got the whole shift coming your way. >> the first hallway on the right, halfway down. we've got multiple victims here. we need ambulances here as soon as possible.