Remains believed to be human ; number of bodies unknown , officials say . Detention center among those used in Chile 's next year ` In some cases , bullets were still lodged in the wall . `` Derotier up to 30,000 said to have been abducted , killed during `` Dirty War
Remains believed to be human ; number of bodies unknown , officials say . Detention center among those used in Chile 's next year ` `` Derotier up to 30,000 said to have been abducted , killed during `` Dirty War