TSA warns of terror ‘dry runs’ at airports

The Transportation Security Administration has told federal aviation officials to be on the lookout for possible terrorist activity after an increase of “suspicious incidents” at U.S. airports.

The surge in these incidents “may indicate terrorists are conducting pre-attack security probes and ‘dry runs’ similar to dress rehearsals,” according to a TSA intelligence report.

“Past terrorist attacks and plots show that such testing generally indicates attacks will soon follow, according to a joint FBI and Homeland Security assessment,” the TSA report stated.

A Homeland Security official sought to downplay the report, calling it “routine information sharing.”

“There continues to be no credible or specific threat to the homeland at this time,” said the official, who spoke on the condition of anonymity. “TSA has sent 90 of these types of products to airport authorities, law-enforcement partners and TSA personnel since January.”

The report cited probes and dry runs in Baltimore, Houston, Milwaukee and San Diego.

In all of the cases, carry-on baggage contained “several items at airports resembling improvised explosive device (IED) components,” the TSA report stated.

On Sept. 16 in Baltimore, screeners found “a plastic bag with a block of processed cheese taped to another plastic bag holding a cellular phone charger.”

Houston screeners on Nov. 8 found “a plastic bag with a 9-volt battery, wires, a block of brown clay-like minerals and pipes.”

On June 4, screeners in Milwaukee discovered “several items resembling IED components, such as a wire coil wrapped around a possible initiator, an electrical switch, batteries, three tubes and two blocks of cheese.”

Screeners in San Diego found “two ice packs covered in duct tape” on July 5. “The ice packs had clay inside them rather than the normal blue gel.”

This is the first time the agency has said that probes and dry runs are occurring.

“I’m not surprised that these dry runs occurred,” said Jeffrey Denning, a former federal air marshal.

“What is shocking to me, though, is to consider the number of dry runs that have not been detected. Fortunately, there were some very alert TSA screeners doing their jobs well,” Mr. Denning said.

“Terrorists will continue to target the aviation industry. Not only is it a prime economic target, but from a psychological standpoint, several planes exploding in mid-flight would accomplish a horrific, spectacular response,” he said.

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