I think The Mauritanian gives a very insightful look at the extent governments will go to coverup how the treat prisoners. Here in the United States and other countries around the world. Doing all that can be done to get false witness against anyone.
The end does not justify the means, which is something brought to light in this movie. This is a true story from the story told in the book Guantánamo Diary, written by Mohamedou Ould Slahi. It tells of his experiences in Guantanamo Bay.
Maybe one day we will learn to treat each others as humans and respect deserved until the facts are proven.