Report: US Knew About Tsarnaev Brothers Long Before Bombing
US authorities missed multiple chances to catch Boston Marathon bomber - all because of a tiny clerical error.
US authorities missed multiple chances to catch Boston Marathon bomber - all because of a tiny clerical error.
Tamerlan Tsarnaev named in court papers as a participant in the 2011 murders of two Jews in Waltham, MA.
The mother of the two brothers suspected of carrying out the Boston bombings attacks the U.S., saying the authorities killed her son.