I think it's safe to assume that there's a Room 641A (https://en.wikipedia.org/wiki/Room_641A https://en.wikipedia.org/wiki/Room_641A) at every major US company

I think it's safe to assume that there's a Room 641A (https://en.wikipedia.org/wiki/Room_641A https://en.wikipedia.org/wiki/Room_641A) at every major US company that deals in communications. That said, there's no reason to think that ICE or local law enforcement get access to the data being collected. iCloud may be completely backdoored either way, but there's a big difference between the NSA and ICE in terms of what they care about going after and what capabilities they want publicly confirmed.