Police in London match unknown man 's DNA with seven other women . Six of the victims were prostitutes and the seventh a runaway . Three of them already are in prison for cleared homicides of prostitutes , '' police said in a statement Tuesday . Suspect has avoided arrest for two years and is not on any DNA database . Investigation will require support from the public , Milwaukee police have said .
Police in London match unknown man 's DNA with seven other women . Six of the victims were prostitutes and the seventh a runaway . Suspect has avoided arrest for two years and is not on any DNA database . Investigation will require support from the public , Milwaukee police have said .