by 2 illegals that had 6 prior arrests between them.
http://www.breitbart.com/Big-Government/2013/11/18/Exclusive-Border-Patrol-Agent-s-Killer-Was-Illegal-Alien-On-Supervised-Release-by-U-S-Authorities
http://www.breitbart.com/Big-Government/2013/11/18/Exclusive-Border-Patrol-Agent-s-Killer-Was-Illegal-Alien-On-Supervised-Release-by-U-S-Authorities