<http://schema.org/caption>
"MBTA police officer Richard Donohue with MIT Police Officer Sean Collier. The photo of the friends was taken the day they graduated together from the Municipal Police Officers' Academy in 2010. \u00A0"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wmur.com/article/boston-marathon-bombing-victims-survivors/5134631>