"A police spokesman told an Orlando Sentinel reporter that Zimmerman 'appears calm, collected.' "
Male Floridian cop dudes, I hate to break it to you. But your machismo may be getting in the way here. Someone with no compunction about killing a boy in cold blood will indeed appear calm and collected after he has smashed his wife's iPad and punched his soon to be ex father in law, while goading them to come closer to his apparently gun toting self.