A 1967 human rights report from the Organization of American States found that over 30,000 internees are "forced to work for free in state farms from 10 to 12 hours a day, from sunrise to sunset, seven days per week, poor alimentation with rice and spoiled food, unhealthy water, unclean plates, congested barracks, no electricity, latrines, no showers, inmates are given the same treatment as political prisoners."
Sebuah laporan hak asasi manusia 1967 dari Organization of American States menemukan bahwa lebih dari 30,000 interniran "dipaksa kerja gratisan di lahan-lahan negara dari 10 sampai 12 jam sehari, dari subuh sampai petang, tujuh hari seminggu, hanya diberi sedikit nasi dan makanan lembek, air kotor, piring kotor, barak-barak tak terurus, tanpa listrik, penerangan, tanpa alat mandi, para tahanan diberi perlakuan yang sama seperti tahanan politik."