Zubeidat Tsarnaeva, the mother of the two Boston Marathon bombing suspects, said in this 2013 file photo that authorities were wrong to suspect her sons of the bombings. Her husband, Anzor Tsarnaev, is beside her. (Associated Press) ** FILE **

Zubeidat Tsarnaeva, the mother of the two Boston Marathon bombing suspects, said in this 2013 file photo that authorities were wrong to suspect her sons of the bombings. Her husband, Anzor Tsarnaev, is beside her. (Associated Press) ** FILE **