They’ll go home and tell their friends they did a good job. They’ll greet their partners, their spouses, their kids, and if they let on in the small hours of the dark that they’re not without qualms, they’ll say in the same breath that they know it’s necessary. Their partners and their spouses will tell them they are brave, because they accept the sleepless nights of troubled conscience so that everyone else can be safe. No doubt that’s how it always goes with torturers.