A North Korean worker based overseas has filed a criminal complaint against a Dutch firm for allegedly profiting from modern slavery, the human rights law firm Prakken d’Oliveira announced in a press release on Thursday.

The firm detailed the complaint and its representation of the North Korean man on its website, saying the laborer – who could not be named for safety reasons – endured 12-hour work days in unsafe conditions and with the DPRK government seizing much of his wages.

The Dutch firm could also not be named, though the North Korean individual was identified by Prakken d’Oliveira as