Guantanamo fulfills the first 3 points and was considered as a "jail" in the western world.

Ok, sorry:

It's a simple and widely-known fact that China kidnaps and cages its dissidents.

Better?

> kidnapped, caged, tortured, or killed

> kidnaps and cages

Nope. Assuming what you asserted later are indeed facts, they only covers 50% of what you claimed in the original sentence. Still half of what you claimed is not grounded on facts.