Louisiana is the world’s prison capital. The state imprisons more of its people, per head, than any of its U.S. counterparts. First among Americans means first in the world. Louisiana’s incarceration rate is nearly five times Iran’s, 13 times China’s and 20 times Germany’s.

The hidden engine behind the state’s well-oiled prison machine is cold, hard cash. A majority of Louisiana inmates are housed in for-profit facilities, which must be supplied with a constant influx of human beings or a $182 million industry will go bankrupt.

Several homegrown private prison companies command a slice of the market. But in a uniquely Louisiana twist, most prison entrepreneurs are rural sheriffs, who hold tremendous sway in remote parishes like Madison, Avoyelles, East Carroll and Concordia. A good portion of Louisiana law enforcement is financed with dollars legally skimmed off the top of prison operations.

If the inmate count dips, sheriffs bleed money. Their constituents lose jobs. The prison lobby ensures this does not happen by thwarting nearly every reform that could result in fewer people behind bars.

Meanwhile, inmates subsist in bare-bones conditions with few programs to give them a better shot at becoming productive citizens. Each inmate is worth $24.39 a day in state money, […]