Authorities at the Pentagon found at least two packages suspected of containing ricin, a spokesman said Tuesday, with the news coming amid a scare at Sen. Ted Cruz's office in Houston involving a "white powdery substance" that turned out to not be hazardous.
A Pentagon spokesman confirmed to Fox News that two packages -- addressed to U.S. Defense Secretary James Mattis and the Navy's top officer, Admiral John Richardson -- are suspected of containing ricin. -- More...