Earlier quoted context omitted.
Exactly. It's your constitutional right as a US citizen to tell any Law Enforcement agent to go fuck themselves. 1. They need a warrant to search your phone if you don't voluntary give them access. 2. Even if they have a warrant, you can plead 5th and just not give them the pin. The American way is all about not trusting the government, believing in conspiracy theories, and stocking up on ammo.
Nope. I was flagged for "secondary inspection" at the southern border. (Mind you, I am as white as you can get). Long story, short. I acted like a bit of an entitled jerk, and was surrounded by 15 CBP agents, had my head slammed on a metal table, cuffed, phone and wallet taken, and then I was taken to a windowless room (with a couple of older Hispanic guys who I remember thinking could be "disappeared" fairly easily…
The moment you step outside the US, you can be killed by US a drone strike, or the CPB agent can simply shoot you if they wish.
It's a broken hole in our system that needs to change, but don't expect any change for at least 2-4 years.