[mortehu]

> How is he supposed to know in advance that they will not try to kill him if that legal option

Well, in most countries it's illegal to deport someone if there's a risk of a death sentence, which is why US often cannot extradite people. Hence US has to convince the "host" country first, which I guess counts for something. That's what US is currently trying to do with Russia:

> "The charges he faces do not carry that possibility, and the United States would not seek the death penalty even if Mr. Snowden were charged with additional death penalty-eligible crimes," Attorney General Eric Holder said in a letter to Russian Minister of Justice Vladimirovich Konovalov.