Woman goes meltdown whack on Spirit Airlines

How did this woman pass the TSA checkpoint, as opposed to the "threat" posed by a 96 year-old lady in a wheelchair?

It's too bad the TSA can't "pat-down" what's going on in someones mind. (Although I'm sure it's just a matter of time until the TSA implements technology that will read our thoughts and brain  before allowing us to board our flight).

(Possible short commercial prior to the plane video).

From ABC7 / Chicago:  

Passengers on a Spirit Airlines flight are describing what they saw when a woman had a mid-flight meltdown on the way from Houston to Minneapolis, [that occurred when] the flight made an emergency landing in Rochester, Minnesota, for a different passenger who needed medical attention.
[.]
During the intense one-minute, 20-second video, the woman curses, makes threats involving her brothers, and acts erratically before a plane full of stunned passengers.

"Get me the f*** off this (long string of expletives) plane!" the woman screams. "You want to be (expletive) and b**chy to me? You'll see me f***ing pissed."
[.]
"Do you know who my brothers are? They are f***ing Marine snipers. Do you want to f*** with a f***ing Marine?" she screams, before pushing her way toward the cockpit.

The ABC7 story mentions some believe the woman has PTSD, which, if so, I truly feel for her. But that's not justification for this behavior on an airplane or in public. I hope she seeks help before she harms herself and/or others.