Associated Press Names Surviving Boston Marathon Bombing Suspect

Dzhokhar Tsarnaev, aged 19

The first hard reports about the identities of the Boston Marathon bombin are coming out.

Here's what we know.

-- NBC reports that the two suspects are brothers.

-- They are reportedly of Chechen background, and is possibly from Turkey.

-- They have been repotedly here legally.

-- They are NOT, as previously speculated by some, connected to a missing Brown University student.

-- The age of the two brothers is 19 and 20, according to NBC's Pete Williams.