On the morning of July 6, 1966, prisoners at "Briarpatch" and the "Zoo," two prisoner of war camps west of Hanoi, were rounded up in the morning and given shirts with numbers. In late afternoon ...

Opened in September 1965 just southwest of Hanoi, the Zoo had all the windows in the cells bricked up shortly after opening. The rooms were padlocked but had a slight give that allowed prisoners ...