AdvertisementReports: Cousin Of Boston Suspects Is A 'Prominent Islamist'May 09, 2013Mark MemmottfacebookEmailThis image from a surveillance video, taken near the finish line of the Boston Marathon, helped investigators identify Tamerlan Tsarnaev (in black cap) and his brother, Dzhokhar (in white cap), as the main suspects in the bombings. (FBI.gov)