[Sloth]

Answer: by making it unworth their trouble to stay here. they'll leave of their own accord.

See Iron Eagle's suggestions here.

[ex-Texan]

I believe placing a bounty on illegals would provide an incentive for them to return to where they came from. Just my humble opinion. Feel free to flame away.

[sunryse]

>Answer: by making it unworth their trouble to stay here. >they'll leave of their own accord.

You seem to be clueless to the level of poverty in some of these third world countries, Mexico included. You'd have to make it pretty darn bad here to get worse than where they come from.