Feds and ICE are using Palantir ELITE.

That’s only for targeting. From what I understand ELITE does not include device compromise or eavesdropping. If feds want to compromise a device that has Signal, they would use something like Pegasus that uses exploits to deliver a spyware package, likely through SMS, Whatsapp, or spear phishing URL. (I don’t actually know which software is currently in use but it would be similar to Pegasus.)

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lugu 11 hours ago | parent [-]

As mentioned by someone else, they just need to take the phone of a demonstrator to access their signal groups.

https://freedom.press/digisec/blog/new-leaks-on-police-phone...

	▲	iamnothere 10 hours ago \| parent [-]
		True, physical interception is probably the easiest method, at least for short term access. Once the captured user is identified and removed from the group they will lose access though.