Five Mexico police agents were killed in a shoot-out in Culiacan after being ambushed by suspected drug cartel gunmen who opened fire at an intersection outside an enormous casino. The shooters escaped.
Teodoro Garcia Simental is believed to run a network of hide-outs where kidnap victims are caged. And he is said to be behind most of Tijuana's gang war bloodshed.
Wenceslao Alvarez is accused of using his Los Mapaches soccer team as a cover for hiding and moving millions of dollars for the Gulf cartel. But in many cases, the laundering network spins unhindered.
'Narcos' have made their way into government, business and culture in this Pacific state, where kids want to grow up to be traffickers.
The U.S. and Mexico agree that cartels have morphed into crime syndicates that pose an urgent security threat to the region. But working together has not been easy.