<http://schema.org/image_url>
"http://media.al.com/news_impact/photo/supreme-courtjpg-2da44fa2961c10ac.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/news/index.ssf/2014/06/us_supreme_court_says_police_m.html>