In this photo taken in 2011, worshippers are pictured inside the Al-Iman Mosque after midday prayers in the Queens borough of New York. The NYPD disbanded the special unit tasked with carrying out surveillance of Muslim groups in 2014 Charles Dharapak/Associated Press hide caption

itoggle caption Charles Dharapak/Associated Press

This 5-foot plexiglass piece of art resembling a freshly poured glass of milk sits near the door at Dairy Farmers of America headquarters in Kansas City, Mo. Peggy Lowe/Harvest Public Media hide caption

itoggle caption Peggy Lowe/Harvest Public Media

Amanda Knox weeps in an Italian appeals court as her murder verdict is overturned. In 2009, Knox was found guilty of charges stemming from the stabbing death of fellow student Meredith Kercher in Perugia, Italy.

Tiziana Fabi/AFP/Getty Images hide caption

itoggle caption Tiziana Fabi/AFP/Getty Images