Updated: April 27, 2011
The ongoing battle against drug cartels in the towns and cities along the Mexican border has grown increasingly violent since 2007 when Mexican President Felipe Calderón began a campaign against the traffickers there.Click on the interactive map below to see where the cartels are most active in the United States, and check back to see all of our reports on the volatile border region.
Find out where drug organizations are present in the United States.
Two of three teens shot to death at a car dealership in Mexico at the weekend had crossed the border from Texas for a party in Ciudad Juarez, one of the most dangerous cities in the world, then stayed overnight to shop for a used car, friends in El Paso said Tuesday.
See how much you know about Mexican drug cartels, trafficking and the history of this dangerous problem.
Steven Fabian examines the effects Mexican cartels are having in American communities.
Reporter Steven Fabian investigates drug trafficking in Juarez, Mexico and gets a deeper understanding of the politics between the U.S. and Mexico.
Find out how the drug cartels work and how they affect defense policies and funding on both sides of the border.
Steven Fabian speaks with two teens who've been affected by drug cartels.

















