Mexican Drug Cartels Fight Turf Battles in Chicago by Armen Keteyian, CBS News.
... Daily turf battles over drugs and distribution, he said, are turning parts of this Midwest city into a Mexican border town.
"One of the hardest jobs I've had in the past couple of years is to convince our law enforcement partners that we need an enforcement mentality as if we're on the border," Riley said.
Miles away, Riley says, Mexican cartels have a significant influence in Chicago's gang violence problem.
"Let's take the gloves off on that," he said. "We know that the majority of the drugs here in Chicago, cartels are responsible for. We know that the majority of the murders are gang related. So it is very clear to see the connection and the role."...