Gangs from California are moving into Southern Arizona to grab a piece of the human smuggling pie.

From Reuters:

Walls get tagged with graffiti. Cars get shot up in drive-by shootings. Youngsters flash gang signs and battle with bricks, sticks, bats and pipes in the local park over turf.

Once a sleepy smelter town on the Mexico border, Douglas is one of several cities in southern Arizona that are being transformed into urban battlefields as warring street gangs muscle in from southern California, police say.

A sun-baked backwater of broad streets and bungalows set in vast, high desert ranchland, Douglas is now a patchwork of territories held by the East Side Torrance and the South Side Harbor City, both Los Angeles-area street gangs, as well as lesser home-grown gangs.

A few miles up the road