Natalie Dreier, Cox Media Group National Content Desk
Update 5:55 p.m. EDT Oct. 3: William Clyde Allen III, of Logan, Utah, was arrested in connection with two suspicious letters sent to the White House and the Pentagon this week, U.S. Department of Justice spokeswoman Melodie Rydalch said. KSL reported that formal charges could be filed in the Ricin case by Friday.
Update 2:15 p.m. EDT Oct. 3: Officials now know what was in the envelopes that were sent to the Pentagon, White House and Sen. Ted Cruz’s office. It wasn’t the poison Ricin, but rather the seeds that it comes from, ABC News reported.
A U.S. official told ABC News that the mail contained castor seeds.
Update 10:13 a.m. EDT Oct. 3:Fox News reported that the return address of one of the envelope mailed to the Pentagon has lead officials to a former U.S. Navy sailor. Officials believe the items sent to Not only the White House, but also the Pentagon and a suspicious letter delivered to Sen. Ted Cruz’s office in Texas were part of a coordinated effort, Fox News’s Lucas Tomlinson reported.
BREAKING: U.S. officials say return address on one of envelopes mailed to Pentagon lead authorities to suspect former U.S. Navy sailor responsible. Tip from U.S. Secret Service to Pentagon Monday led to discovery hours later of 2 packages sent to Mattis and Navy's top admiral
The pieces of mail were intended for Secretary of Defense James Mattis and Chief of Naval Operations Admiral John Richardson, CNN reported.
The two suspicious envelopes that initially tested positive for Ricin were addressed to Secretary of Defense James Mattis and to Chief of Naval Operations, Admiral John Richardson, a defense official tells CNN https://t.co/wR9HXh8Sbf
BREAKING: U.S. Secret Service intercepts envelope with suspected ricin addressed to President Trump Monday. Envelope did not enter White House: statement; same day other packages sent to Pentagon for Mattis and Navy's top admiral
A Pentagon spokesman has confirmed that a suspicious substance was found during a screening process.
“On Monday, the Pentagon Force Protection Agency detected a suspicious substance during mail screening at the Pentagon’s remote screening facility,” Col. Rob Manning told Fox News in a statement. “The envelopes were taken by the FBI this morning for further analysis. All USPS mail received at the Pentagon mail screening facility yesterday is currently under quarantine and poses no threat to Pentagon personnel.”
CNN reported that the FBI also made the following statement:
“On Tuesday, October 2, 2018, in coordination with the Pentagon Force Protection Agency, FBI Special Agents took possession of two suspicious envelopes that had been screened at the Pentagon mail facility. Those envelopes are currently undergoing further testing. As this is ongoing, we will have no further comment.”
After the Sept. 11 attacks, the Pentagon built an underground mail processing facility that screens all deliveries.
According to the official history of the Pentagon, it is the center of the country’s military power. It holds the Department of Defense, office of the Secretary of Defense, the Joint Chiefs of Staff and headquarters for the branches of the military.