I had no idea that the new Mexican President was doing this much.
"We recognise that the enemy is inside our house and for this reason we are purging the ranks - we need to have confidence in our police," Baja California state police chief Daniel de la Rosa said.
Drug gangs are strong in Mexico's border region, which includes Rosarito, a beach resort town south of Tijuana.
Mexican President Felipe Calderon has deployed about 25,000 troops to the region, and to the western state of Michoacan, since taking office 12 months ago.
I can recall going down to Rosarito Beach several years ago. The place looked fairly shady, more of a tourist trap of the pushy variety - like you owe people an explanation why you're not buying everything they have.