let me give you two pictures. one picture goes from about 11 p.m. md. some of them were braille ya yant -- what you're seeing going back continue years are people more motivated. they don't necessarily understand the idealogy of isis but they see people being killed in places like syria and iraq and they say my responsibility is to act. very simple. >> another line from this affidavit. the law enforcement officer, lieutenant neville, who was stabbed in the back was able to subdue ptaui who asked the officer why he did not kill him. >> when people enter into this stage, the stage that they decide they want to kill