Too late, he grasps he's been entrapped as a patsy: he was deceived to "follow them" to the auditorium; he sees the politician killed, then notices a planted rifle, near him in the rafters.
He grasps. This is too late. He's been entrapped as a patsy. He was deceived to "follow them" to the auditorium. He sees. This was then. The politician killed notices a planted rifle in the rafters. This was near him.