There are now 10 suspected explosive devices that have been aimed at high profile figures in the U.S. The latest figure includes two packages that were sent to former Vice President Joe Biden in Delaware and one addressed to actor Robert DeNiro in New York. Others who have received suspected explosive devices include former President Obama, former First Lady Hillary Clinton, former Attorney General Eric Holder and former CIA Director John Brennan. Brennan's package was sent to CNN's studios in New York.
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