This Thursday April 11, 2013 photo shows Flagstaff, Ariz., police responding to a bomb threat at the Flagstaff Post Office on Postal Boulevard. The explosive device intercepted in Flags

 

              This Thursday April 11, 2013 photo shows Flagstaff, Ariz., police responding to a bomb threat at the Flagstaff Post Office on Postal Boulevard. The explosive device intercepted in Flags
This Thursday April 11, 2013 photo shows Flagstaff, Ariz., police responding to a bomb threat at the Flagstaff Post Office on Postal Boulevard. The explosive device intercepted in Flagstaff late Thursday was in a package addressed to Sheriff Joe Arpaio at his downtown Phoenix office, the Maricopa County Sheriff's Office said in a statement. (AP PhotoArizona Daily Sun, Josh Biggs)