My point is that if your plan is to fly under the radar, existence or lack of extradition agreement with US is not really relevant: if you immigrate illegally t

My point is that if your plan is to fly under the radar, existence or lack of extradition agreement with US is not really relevant: if you immigrate illegally to escape prosecution, lack of extradition agreement won’t help you much, because if US finds you there and asks for you back, most countries will deport you for breaking immigration laws, without even involving extradition process.