Ricin letter saga: Timeline

Letters containing ricin found their way to a congressman and President Barack Obama. Here's a look at news alerts since the first instance.

BOSTON SUSPECT RIGHTS VO 5

Marathon Bombing Suspect’s Rights

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Boston Marathon-Explosions

Bombing Suspect Charged

Boston Bombings

A court official says the surviving suspect in the Boston Marathon bombings is facing federal charges and has made an initial court appearan…