YEARS before Jeffrey Dahmer prowled the streets of Milwaukee, there was another cannibal killer hunting on the streets of Germany with a twisted hunger for flesh. Joachim Kroll was known as the "Duisburg Man-Eater" or "Ruhr Cannibal" during his frenzied killing spree that lasted more than 20 years. 10 Joachim Kroll said he ate parts of his victims' flesh because "meat is expensive" Credit: Alamy 10 Horrified cops found a small hand cooking in his kitchen Credit: Youtube 10 Kroll committed his first murder in 1955, following his mum's death Credit: Youtube 10 Kroll removed his victims' body parts to...