Torture: True Cause and Effect

Torture has historically been an instrument of oppression — not an instrument of investigation or of intelligence gathering.
Investigation is a subtle process, requiring patience and fine analytical ability, as well as a skill in cultivating one’s sources. When torture is condoned, these rare talented people leave the service, having been outstripped by less gifted colleagues with their quick-fix methods, and the service itself degenerates into a playground for sadists.