CNN's Frederik Pleitgen walks us through the entire security operation that killed the two suspected Charlie Hebdo killers.<script type='text/javascript' src='http://i.cdn.turner.com/cnn/van/resources/scripts/van-widgets.js'></script> <div data-cnnvansinglewidget data-affiliate='gantdaily' data-videoid='tv/2015/01/09/pleitgen-standoff-end-wrap.cnn' data-size='auto' data-autostart='true'></div>