I apologize in advance since I don't know the current state of things on this in the US, but is it different than the EU? As far as I know, lawful interception

I apologize in advance since I don't know the current state of things on this in the US, but is it different than the EU? As far as I know, lawful interception systems are widely in use here (EU) even today (in ISPs, banks, major mobile telephony providers, etc).