When we asked if the new failure rate was 80%, a source familiar with the classified report said, "you are in the ballpark".
TSA announced last month that all flights arriving to the USA would be subjected to new security screening procedures, with American citizens as well as foreigners possibly facing interviews by airline employees.
That test saw Department of Homeland Security Office of Inspector General operatives easily smuggle through fake weapons and explosives alike.
It's unclear if our airport in Detroit was part of this testing. But at least airport security is improving, slightly.
This high threat is why the new test results, finding "vulnerabilities" in TSA screening, some say, are alarming.
During a public hearing following a classified briefing about the report, Rep. Michael McCaul (R-Texas), chairman of the House Committee on Homeland Security, said, "Quite frankly, I think I speak for all of us when I say that we found that briefing disturbing".
Frank Cilluffo, former director of the Homeland Security advisory council, told CBS News that as long as terrorism is a threat at airports, "the TSA can not be complacent".
In a public hearing yesterday on Capitol Hill, members pushed for the full implementation of new scanner equipment that creates a 3D image of bags that would give screeners better ability to spot threatening items.
While the TSA catches scores of people with weapons - notably former Trump White House adviser Sebastian Gorka a year ago at Reagan National Airport - the inspector general's report in 2015 said that operatives from the office penetrated airport security in about 95 percent of their attempts.
TSA officials said in a statement that the agency "concurs with the DHS OIG findings and is committed to aggressively implementing the recommendations".
'The security measures affect all individuals, worldwide passengers and U.S. citizens, travelling to the United States from a last point of departure global location, ' said Lisa Farbstein, a spokeswoman for the TSA. She also said it would include "heightened screening of personal electronic devices" and stricter security procedures around planes and in airport terminals.