In 1888, a reign of murderous terror struck East London. To this day, the case is unsolved. And the killer is known only by his infamous nickname. But the truth may at last have been found. Based on breakthrough research at the time it was made, this gripping "what if" suggests who wielded the surgically sharp blade of death -- and why his identity has been concealed. Michael Caine plays Scotland Yard's Frederick Abberline and heads a l