[DBrow]

Bush helped Mexico build a wall between Mexico and Guatemala, with helos and tanks and IR cameras. So there is a precedent.

[DBrow]

http://www.theblaze.com/stories/2010/09/22/a-fence-for-the-southern-border-of-mexico/

[UCANSEE2]

Bush helped Mexico build a wall between Mexico and Guatemala, with helos and tanks and IR cameras.

Mexico was having a problem with illegal aliens.