ATF Trains Mexican Investigators In Fire And Explosives Analysis
Mesa, Arizona (CNN) - For years, the Mexican government and local authorities in Mexico have waged a war to try to end the fighting between rival drug cartels.
That fighting has spilled over into communities in the U.S.
Some of the men and women fighting that war behind the scenes are in Mesa, Arizona this week.
The a-t-f and local crime scene investigators are training investigators from across the border in both fire and explosives.
They invited Mark Curtis in for a look.