Sign up for the MSNBC newsletter

You have been successfully added to our newsletter.

Let our news meet your inbox

The Last Word

FBI releases photos of Boston bomb evidence

The FBI released photos of Boston bomb evidence Tuesday evening: a detonated pressure cooker bomb and shredded backpack. MSNBC's Lawrence O'Donnell discusses the aftermath and investigation with Massachusetts Congressman Ed Markey.

BEST OF MSNBC

Play All