Boston Marathon suspects are of Chechen origin
The suspects in the attack on the Boston Marathon - one killed, one on the loose
- are brothers of Chechen origin, at least one a legal permanent resident of the United States, law enforcement officials told NBC News.
The suspect at large early Friday was identified as Dzhokhar Tsarnaev, 19,
born in Kyrgyzstan and holding a Massachusetts driver's license. He was the suspect in the white hat in surveillance photos from the marathon released by the FBI.
His brother, who was killed in a firefight with law enforcement, was identified as Tamerlan Tsarnaev, 26,
born in Russia. He became a legal permanent resident in 2007, the officials said. He was the suspect in the black hat in the FBI photos.