Pakistan, Aug. 16 -- A man is dead in California. He wasn't killed by a gunman or a gang. He died running from deportation squads. That is what America's law and order looks like: a migrant dead on the tarmac, flowers and candles left on the roadside, and federal agents back in their SUVs, claiming a successful operation.

Tragically, such episodes no longer shock us. Washington has vowed to ensure the largest mass deportation in U.S. history, rewriting the rules of the free world. Across America, federal agents pose as contractors, lure day labourers, then leap out to seize them. They sweep parking lots, car washes, sidewalks, anywhere the poor and undocumented gather for work. They chase men through store aisles like thieves. Nearly 3,0...