Yours Truly, Jack the Ripper

In 1888 there was a string of murders in the London East End, near the White chapel region. By the end of the killing spree, (Which could have been as short as three months or as long as ten as few as five.), as many as nineteen women or as few as five would be dead at the hands of this serial killer. And yet this man was never caught, evidence was lost, and possible eye witnesses were never questioned. How did the police manage to conduct this investigation so badly? …