Boston Marathon bombing suspect left note in boat

Investigators have discovered that Boston bombing suspect Dzhokhar Tsarnaev left a note inside the boat as he was hiding in it, claiming responsibility for the bombings. CBS correspondent John Miller discusses on 'CBS This Morning,' the contents of the note and what it means to the case.

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Investigators have discovered that Boston bombing suspect Dzhokhar Tsarnaev left a note inside the boat as he was hiding in it, claiming responsibility for the bombings. CBS correspondent John Miller discusses on 'CBS This Morning,' the contents of the note and what it means to the case.