SEOUL, South Korea | South Korea apologizes over vagrants’ detention, forced work

SEOUL, South Korea — South Korea’s top public prosecutor on Tuesday apologized over what he described as a botched investigation into the enslavement and mistreatment of thousands of people at a vagrants’ facility in the 1970s and 1980s nearly three decades after its owner was acquitted of serious charges.

The remarks by Prosecutor General Moon Moo-il were the government’s first formal expression…