No link seen to Boston bombings; suspect had history of arrests

 

By Miriam Raftery

April 17, 2013 (Washington D.C.)  Today at 5:15 p.m., FBI special agents arrested Paul Kevin Curtis, the suspect believed to be responsible for mailings of the three letters sent through the U.S. Postal Service to top officialswhich contained a granular substance that preliminarily tested positive for the toxin ricin., the FBI announced. The letters were addressed to President Barack Obama, U.S. Senator Wicker, and a Mississippi justice official.