For your consideration ...
That's not even the same thing. It's against the law to carry a firearm on an airplane. If you need to do that for some reason, you declare it to the powers that be and they either yay or nay. I think but am not positive that even if you pack a gun in your checked luggage, you still have to declare it.
What are you even talking about? I think I was clear that just randomly targeting airline passengers doesn't seem like a good way to make money. One would think for every time they hit the jackpot, there would be hundreds of people they tried to shake down who had a couple bucks on them. And yet we don't hear about people with $20 in their pocket having it stolen by LE.
How do the agents know who's carrying a large amount of cash and who isn't?
Try not to confine the two premises. These confiscations are not just isolated to airports. I was referring to these things not just restricted to airports, but everywhere, or anywhere people travel.
The taking of large sums of cash from lawful people does not just happen at the airports. There's a thing called legal highway robbery by highwaymen known as 'Police", too. People that have been pulled over such as for speeding, or a tag or brake light out, as the reason for the stop. And when innocent people foolishly allow police, when asked, to search their cars, thinking they "have nothing to hide", and the money found, absent any suspicion of illegal activity, and even with absolutely no criminal charges are ever filed, the money is confiscated. Which is then divvied up between the taking police agency and the federal government. To be spent however they want to spend it. All under the guise of the money possibly being used in the drug trade. And many many many times, the driver doesn't ever get a ticket issued to them for the original reason for being pulled over.
What are you even talking about? When you said, "Who carries that kind of cash on them? People engaged in cash-based illegal activity, that's who." Here you just called everyone that carries large amounts of cash, or has had their money taken/stolen by DEA, or any other law enforcement agency, as partaking in a criminal enterprise. So, in essence, they are the same thing when I said your premise could be construed to also say, "
Who carries a concealed firearm with them? People engaged in illegal activity, that's who." Regardless of where such an event took place.
How do the agents know who's carrying a large amount of cash and who isn't? They don't know, until mostly at TSA screenings when people are "flagged" because of a TSA agent seeing the money. Or when coming from overseas and the money is declared on their customs form.