Three years ago, the man known as Internment Serial Number 669 stopped eating. Ahmed Zaid Zuhair, a father of 10 children in Saudi Arabia and Yemen, had been held at Guantanamo Bay since 2002 without charges and decided to join a mass hunger strike in protest. The U.S. military was determined not to let him succeed.

Since then, according to court documents reviewed by The Associated Press, guards have struggled with him repeatedly, at least once using pepper spray, shackles and brute force to drag him to a restraint chair for his twice-daily dose of a liquid nutrition mix force-fed through his nose.

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