For a decade, Vietnamese worker Minh did tough jobs like sandblasting ships and welding steel, helping address rapidly aging Japan¡¯s dire labor needs.

But now, having overstayed his visa, he is in the crosshairs of Prime Minister Sanae Takaichi¡¯s promised crackdown on illegal workers.

Minh, a pseudonym used to protect his identity, came to Japan in 2015 under its Technical Intern Training Program (TITP), which is billed as a way for foreign workers to learn skills to take back to developing countries.