WASHINGTON - JANUARY 07: Washington, D.C. Metropolitan police set up a perimeter around a U.S. postal facility where a letter reportedly "ignited" on January 7, 2011 in Washington, DC. The postal ... more 
WASHINGTON - JANUARY 07: Washington, D.C. Metropolitan police set up a perimeter around a U.S. postal facility where a letter reportedly "ignited" on January 7, 2011 in Washington, DC. The postal facility screens mail and packages addressed to U.S. government offices. (Photo by Mark Wilson/Getty Images) less 
1 / 28
Getty Images | Photo By Mark Wilson / Getty Images
Fri, Jan 7, 2011 4:42 PM EST