Just got a spam call claiming to be from Border Patrol and Customs

[Princess Turandot]

3. "Mr or Ms Crush: your nephew Johnny has been picked up by the Border Patrol. He needs $10K to post bond...

...If he doesn't post the bond (or hire a lawyer etc.), he'll remain in detention, at risk of being shipped to some secret location: look at what happened to that husband and father from Maryland..."

There's a version of this that the police periodically warn about via social media here in NYC, where a grandson etc is in immediate need of cash to get out of jail. Elderly people particularly in the Chinese community are targeted, I assume because their English skills may be limited, especially if they panic, out of concern for their grands. Several do fall for it.

Or perhaps, they were offering you a bounty on your immigrant neighbor. Or your obnoxious brother-in-law. You just need to put up some money when you file the report, as a sign of sincerity. (That will, of course, be returned to you, along with any earned bounty.)
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If this isn't already happening, I suspect it will be.