Police have identified the Boston Marathon Bomber suspects as 19-year-old Dzokar Tsarnaezv and 26 year old Tamerlan Tsarnaezv of Cambridge, Massachusetts.
Authorities say both men are brothers of Chechen origin who moved to the United States roughly 10 years ago.
According to Boston Officials, the two men planted two bombs that killed three and injured 176.
Tamerlan Tsarnaezv was killed late Thursday in a shootout with police in the town of Watertown, Massachusetts.
NBC is reporting Boston and its surburbs, universities and transit system were on total lockdown Friday as police hunt for Dzhokhar Tsarnaev.
Meanwhile, two unidentified people were taken into custody at the Cambridge, Mass., home where Dzhokhar Tsarnaev and his older brother Tamerlan grew up, but they were not being described as additional suspects.
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