WW II vet held in Nazi slave camp breaks silence: 'Let it be known'
- Story Highlights
- World War II vet held in slave camp witnessed Nazi atrocities first-hand
- Anthony Acevedo, 84, was one of 350 U.S. soldiers held at Buchenwald subcamp
- Only about 165 survived captivity and their subsequent death march, he says
- Survivors signed documents never to speak; Acevedo says now people "must know"