>> it's a scary situation where people had planned and plotted to go to school on opening day, begin with killing any police officer or sheriff's deputy that tried to stop them and take weapons to school and kill their fellow students. >> heather: the boys were identified as students and faculty member that they planned to kill. the suspects are being helped in juvenile detention. >> rick: flash mobs turning violent all over the country. this is one we can show you video. a police in philadelphia, things have gotten so bad the city is taking steps to try to credit the problem. -- to combat the problem. >> julie: they started together like for pillow fights and