As a means of extracting information during interrogations, torture is notoriously unreliable, but as a means of terrorizing and controlling populations, nothing is quite as effective. It was for this reason that, in the fifties and sixties, many Algerians grew impatient with French liberals who expressed their moral outrage over news that their soldiers were electrocuting and water-boarding liberation fighters—and yet did nothing to end the occupation that was the reason for these abuses.