Living in southern California, we often hear about drug cartel activity spilling over from Mexico, but law enforcement officials say that Mexican drug cartels are setting their sights beyond border states.
More and more, these drug cartels are headed deep into the U.S., and setting up operations in places like the Midwest. They're becoming so entrenched in places like Chicago that one of Mexico's biggest drug kingpins was recently named the city's Public Enemy No. 1. Even though he's never even been in the Windy City.
With more is Michael Tarm of the Associated Press' Chicago bureau.