The CIA has reportedly water-boarded Khalid Sheik Mohammed -- a practice in which the suspect is made to fear that he is drowning in order to encourage him to talk. And Army logs report that interrogators threatened Qahtani with dogs, made him strip naked and wear women's underwear, put him on a leash and made him bark like a dog, injected him with intravenous fluids and barred him from the bathroom so that he urinated on himself. With these shortsighted and inhumane tactics, the administration essentially immunized the real culprits, so it was left seeking the execution of a man who was not involved in Sept. 11.

is this true? is this documented?
if true there can be no justification for Gestapo tactics
I note the word "reportedly" but if these allegations have foundation then the torturers and those who gave the orders need, our collective standards of human rights demand, that they do serious time in jail.
You don't defeat Nazis by emulating the enemies of civilisation. Crusaders who descend into barbarianism lose: they lose first themselves then the war.

How Not to Fight Terrorism