Federal prosecutors charged three acquaintances of Boston Marathon bombing suspect Dzhokhar Tsarnaev with helping to cover up the crime. Kazakhstan nationals Dias Kadyrbayev and Azamat Tazhayakov are accused of deliberately destroying evidence; and Robel Philippos, a US citizen, is accused of lying to investigators. The three young men are not accused of having prior knowledge of the plot. The FBI released images of three persons of interest in the Sept. 11, 2012 attack on the US consulate in Benghazi, Libya.
