What about the citizens that dont have 'fourth amendment rights' just because they're not US citizens? As far as I know, Tor is not something that 'belongs' to

What about the citizens that dont have 'fourth amendment rights' just because they're not US citizens? As far as I know, Tor is not something that 'belongs' to US, nor 'exists' in US soil so it is very interesting what about the rest of the world.