MEXICO CITY - Try to bring a refrigerator into Mexico in the back of your pickup, and you are almost certain to get stopped by Mexican customs officials.
Stick a couple of AK-47 rifles in your trunk, and chances are you'll whiz right through.
Now Mexico is owning up to its leaky border as it launches a new program to monitor vehicles entering the country. The goal is to weigh and photograph southbound cars and trucks, in hopes of snaring more gun smugglers.
Mexico cracks down on smuggled guns - Focus on Mexico- msnbc.com