"Dehumanization also occurred because the prisoners often had no prison clothes available, or were forced to be naked as a humiliation tactic by the military police and higher ups. There were too many of them; in a few months the number soared from 400 to over a thousand. They didn't have regular showers, did not speak English, and they stank. Under these conditions it's easy for guards to come to think of the prisoners as animals, and dehumanization processes set in" (Zimbardo, 2013). Thus, all of these factors worked together to create a barrel of evil and the Christians who were part of the Crusades were not immune to it. As Zimbardo explains, virtually any good person who is put into such an environment will succumb to the evil and brutality and being to mimic it. The Pentagon treats the violations of Abu Ghraib as a few bad apples poisoning an otherwise strong military. The...

Thus, just as some historians will treat the Crusades as the attempts of Christians to convert Muslims, with a few Christians who acted too brutally, this is naive and incorrect. The Crusades were created by a wave of savages who called themselves Christians.
References

BH. (2005, June 22). The Real History of the Crusades. Retrieved from Brutallyhonest.org: http://www.brutallyhonest.org/brutally_honest/2005/06/the_real_histor.html

Sindi, a. (n.d.). The Cannibalism and Bloodbaths of the Crusades. Retrieved from Radioislam.org: http://www.radioislam.org/sindi/croisades.htm

Zimbardo, P. (2013, March 7). Philip Zimbardo: Why Do Good People Do Evil Things? Retrieved from talesfromthelou.wordpress.com: http://talesfromthelou.wordpress.com/2013/03/07/philip-zimbardo-why-do-good-people-do-evil-things/