but first, thoh, we begin with those chilling new details about that plan to carry out a mass murder at a tampa high school. >> police y the suspect is a deeply troubled teenager who had been expelled from the school. t.j. winick is joining us with more information about that suspect. t.j.? >> reporter: rob and diana, good morning. a tampa teenager stands accused of trying to plot a columbine-style school massacre. his plan was to be carried out on the first day of the school year. another columbine, that's what tampa police believe they've prevented by stopping 17-year-old jared cano, arraigned in court. >> we were probably able to thwart a potentially catastrophic event, the likes of which the city of tampa has not seen. >> reporter: according to authorities, cano wrote a manifesto that detailed minute by minute his plans for an attack on tampa's freedom high school, starting at 5:00 a.m. next tuesday. >> i think most people are going to be, like, scared. a lot of people might not even show up to school, just to be safe. >> reporter: the manifesto allegedly includes the school's layout, as well as his intention