A member of the deadly MS-13 gang got the book thrown at him Friday in a Prince George's County court. A judge sentenced Mario Ayala of Suitland to life behind bars for killing a man who authorities say was part of a rival gang. Last May, the body of Ashley Urias was found beaten in a Suitland cemetery. But authorities caught a big break when a beer bottle was discovered right nearby. On it was Ayala's DNA, and he was arrested a month later. During the trial, prosecutors put a gang expert on the stand, who testified that under MS-13...