Dzhokhar Tsarnaev, Tamerlan Tsarnaev | featured news

The mother of the Boston Marathon bombing suspects insisted Thursday that her sons are not responsible for the attack and said she did not see any aggression in the older brother, even when the FBI questioned him two years ago.

A man who says he was abducted by the Boston Marathon bombing suspects during a carjacking told police the suspects said they would not kill him because he “wasn’t American.” The man, who has asked that his identity not be revealed, told NBC News that he managed to escape Dzhokhar and Tamerlan Tsarnaev’s clutches, describing them as “brutal and cautious.”

An uncle of the Boston bombing suspects emphatically explains why he feels the two committed the attacks.

One was a boxer who liked Russian rap videos and once said, “I don’t have a single American friend.” The other, an all-star high school wrestler, listed “Islam” as his worldview on a Russian social media page and was described by a neighbor as a “very photogenic kid” who had “a heart of gold.”

In an anguished interview, the father of the suspects in the Boston Marathon bombing described his fugitive son as a smart and accomplished "angel." Anzor Tsarnaev spoke with The Associated Press by telephone from the southern Russian republic of Dagestan after police said one of his sons, 26-year-old Tamerlan, had been killed in a shootout and the other, Dzhokhar, was being intensely pursued.

The FBI released photos and video Thursday of two suspects in the Boston Marathon bombing and asked for the public's help in identifying them, zeroing in on the two men on surveillance-camera footage less than three days after the deadly attack.