<http://schema.org/contentUrl>
<http://download.cbsnews.com/media/mpx/2014/02/25/169378371791/video2151020_505237_740.mp4>
<http://www.cbsnews.com/videos/extra-christopher-porcos-911-calls/?lumiereId=50053916&videoId=66fd8058-8bdf-11e2-9400-029118418759&cbsId=2151020&site=cbsnews>