Where to Watch Jack's Back (1988)

One hundred years ago, in the City of London, in the East-End slum of Whitechapel, a man shocked the world by murdering, raping and mutilating five women. He was never caught.

A young doctor is suspected when a series of Jack the Ripper copycat killings is committed. However, when the doctor himself is murdered, his identical twin brother claims to have seen visions of the true killer.