Lou Dobbs Tonight -- CNN -- March 9Wian:.... one consequence of increased manpower at the border has been a sharp increase in violence with heavily armed smugglers hijacking drug loads and human cargo from each other. Border Patrol and local law enforcement are often outgunned, while the National Guard is prohibited from responding. Nichols: Right now, unfortunately, the drug smugglers, the human smugglers and all those people coming across the border right now illegally, they know what the National Guard are going to do. They know they are not going to defend their positions, that they are going to basically fall back to a safe position and call the Border Patrol. We could be so much more effective if these guys could actually stand and engage these guys and begin to stop them. Watch Transcript