In a Costa Rican prison, inmates reportedly found a creative way of sneaking drugs into the facility. <script type='text/javascript' src='http://z.cdn.turner.com/cnn/van/resources/scripts/van-widgets.js'></script> <div data-cnnvansinglewidget data-affiliate='gantdaily' data-videoid='world/2015/08/19/drug-smuggling-pigeon-orig.cnn' data-size='auto' data-autostart='true'></div>