The | Prisoner (1955)1955

Constant questioning and disrupted sleep/wake patterns to weaken the mind.

Ultimately, the Cardinal is "broken" not by lies, but by having his own uncertainties and past sins turned against him. The Prisoner (1955) - IMDb The Prisoner (1955)1955

Probing for a "crack" in the Cardinal’s soul, eventually exploiting his pride and hidden self-loathing . The Prisoner (1955)1955