Explosives mailed to outspoken Arizona sheriff Joe Arpaio – Shannon Travis reports

FROM CNN WIRES:

(CNN) - Authorities intercepted a suspicious package with explosives that was addressed to tough-talking Arizona Sheriff Joe Arpaio.

U.S. Postal Inspector Andrew Rivas in Flagstaff screened the package Thursday and realized it was suspicious enough to call the local police bomb squad and the FBI.

The Maricopa County Sheriff's Office said Flagstaff police X-rayed the package and neutralized it Thursday night.

This morning on "Starting Point," CNN's Shannon Travis reports the latest on who could have sent these explosives to Sheriff Arpaio.

READ MORE: Explosive device found in package addressed to Arizona sheriff