I still don't understand. Who gave ICE such power, and who is ordering them to do all this? To me, ICE's actions are similar to those of a private army.
Congress gave them the power. They are federal law enforcement who actions were mainly restrained by desire of their leadership (US President) to keep their actions curtailed.
That desire is gone so they are going all out.
Probably Stephen Miller. Correct, he doesn't have the authority, correct, this is outside the scope of the org. Neither the republican controlled congress nor the republican controlled SCOTUS are interested in exercising their checks and balances though.
You're making a mistaken thinking power is given. Quite often in the US government organizations 'just do', and it's the power of the executive, judicial, or legislative to stop them.
Unfortunately Trump is doing whatever he wants at this point and ignoring anyone that says otherwise.
The answer to this is that Google gave ICE this power by complying instead of fighting the subpoena or notifying the subject of the subpoena, both of which they can do according to the ACLU [1].
Willing, optional compliance with the administration is the core problem here.
[1]: https://www.acluofnorthcarolina.org/app/uploads/drupal/sites...
Trump (with indirect support from the Republicans in Congress), and Trump (with indirect support from the Republicans in Congress), respectively.
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Believe it or not, immigration authorities (like the US Immigration and Customs Enforcement agency) have the power to enforce immigration laws.
The author isn't American.
Edit - wait until y'all find out other countries also have borders and laws...
The people. We voted for the people who gave the power, and we re-elected them. It’s really that simple. Is it “too late” now? maybe, but we had ~25 years since this all started post 911 to react, and chose not to.