Hide Caption 20 of 33 Photos: Photos: Boston celebrates Boston celebrates, seeks return to normal – A photograph of Martin Richard, one of the victims of the Boston Marathon bombing, was placed on the plexiglass by a fan following the hockey game between the Buffalo Sabres and the New York Rangers on April 19 at the First Niagara Center in Buffalo, New York. After a car chase and shootout with police, one suspect in the Boston Marathon bombing, Tamerlan Tsarnaev, was shot and killed by police early Friday, and his brother and second suspect, Dzhokhar Tsarnaev, was taken into custody Friday night. The two men are suspects in the bombings at the Boston Marathon on April 15, that killed three people and wounded at least 170. An overnight shootout with police killed the other suspect -- Tsarnaev's 26-year-old brother, Tamerlan. Both brothers, however, were born in the Central Asian state of Kyrgyzstan, the FBI statement said, and Dzhokhar was a naturalized U.S. citizen. The U.S. official said he came four years later on September 6, 2006, and held a permanent resident visa. Another top priority for investigators is to determine whether the brothers had any confederates either inside the United States or overseas, one U.S. official said. WASHINGTON (Reuters) - The FBI interviewed suspected Boston Marathon bomber Tamerlan Tsarnaev in early 2011, it said in a statement late Friday, following a tip from a foreign government that he was "a follower of radical Islam" and was preparing to leave the United States to join underground organizations. But Tamerlan was widely reported to have made a trip to Russia last year. But that's because people have come to expect 100 percent security," he said. The brothers and their family were ethnic Chechens, whose small republic's attempts at independence following the collapse of the Soviet Union were brutally crushed by Moscow. The FBI statement did not disclose which foreign government asked it for information about the brothers and their family.
– Law enforcement officials have confirmed that it was Russia that told the FBI to investigate the slain Boston bombing suspect Tamerlan Tsarnaev in 2011, the AP reports. The FBI interviewed Tsarnaev, following up on the tip that he was a "follower of radical Islam," but didn't deem him a security risk at the time, reports Reuters. The FBI had said only that a foreign government had provided the intel, but two law enforcement officials, speaking anonymously, later revealed the Russian FSB intelligence security service as the source. The Tsarnaev brothers are ethnic Chechens—though they never actually lived in Chechnya—and Tamerlan visited Russia for six months last year, reports CNN. After getting the tip, the FBI not only talked to Tamerlan but checked out his travel history and web postings. The agency says it "did not find any terrorism activity." His mother says her elder son had embraced Islam but not religious extremism, and she was aware of his contact with the FBI. "How could this happen?" she asked on CNN. "They were controlling every step of him. Now they are saying this is a terrorist act." (Tamerlan, 26, who was killed in a shootout with police, had an American wife and toddler.)