It could be this one? (I used DeepL for translation)

> "With his hands and waist bound together, he had to lower his head and lap at the water..."

https://www.hani.co.kr/arti/society/society_general/1218653.... ("Not even a scrap of cloth in the toilet, not even a protest… What have we done wrong? / Human rights violations reported by detained workers")

Or possibly this adjacent one,

https://www.hani.co.kr/arti/society/society_general/1218738.... ("Spider carcass found in drinking water at Korean detention facility… Guard mocks inmate: ‘You'll be Spider-Man, won't you?’"