“The TSA record of 100% failure in detecting and thwarting terrorist or possible terrorist attacks is still intact.”
Did the police find a weapon on him after they landed? I didn’t read about that.
I'll bet you also didn't read about TSA finding the shoe bomber's weapon, nor the underwear bomber's weapon, nor Farid Seif's loaded Glock... (See: Gaping Holes in Airline Security: Loaded Gun Slips Past TSA Screeners)
In 2004-2005, the TSA had a 70% rate of failure to detect hidden knives and guns when undercover agents tried to sneak these weapons through the TSA security checkpoints.
We don't know what their current failure rate is because they stopped publishing these results.
But, we do get glimpses from time to time, such as the incident with Farid Seif's loaded Glock.
According to one report, undercover TSA agents testing security at a Newark airport terminal on one day in 2006 found that TSA screeners failed to detect concealed bombs and guns 20 out of 22 times. A 2007 government audit leaked to USA Today revealed that undercover agents were successful slipping simulated explosives and bomb parts through Los Angeles's LAX airport in 50 out of 70 attempts, and at Chicago's O'Hare airport agents made 75 attempts and succeeded in getting through undetected 45 times.
Do you believe they've gotten better, stayed the same or gotten worse?
I believe it's about the same or worse. If they have gottne better, you can believe it would be all over the news.