The stations also caught glimpses of a disturbing scene playing out in a second-story classroom in another wing of the building, far from the library, in Science Room 3. It was hard to make out exactly what was going on in there, but there was a lot of activity, and one disturbing clue. Someone had dragged a large white marker board to the window, with a message in huge block letters. The first character looked a lot like a capital I but turned out to be a numeral: “1 BLEEDING TO DEATH.”
