This Is Law (5.6)

Movie · 2001 · 1 h 55 min · Action, Crime

A vigilante known as "Dr. Q" gruesomely executes criminals who escape justice, uploading videos of his killings online. Young cop Bong and his seasoned partner Na investigate while clashing with S.T.F. counterparts Lt. Pyo and tech expert Kang.

Directed by: Min Byeong-jin

Starring 임원희, 신은경, 김민종, 주현, 장항선, 김갑수, 이병욱, 윤승원, 윤주상, 김영웅

We don't know where to watch it in the US.