Police in Milwaukee match unknown man 's DNA with seven slain women . Six of the victims were prostitutes and the seventh a runaway . Suspect has avoided arrest for 23 years and is not on any DNA database . Comment:
Police in Milwaukee match unknown man 's DNA with seven slain women . Six of the victims were prostitutes and the seventh a runaway . Suspect has avoided arrest for 23 years and is not on any DNA database . Investigation will require tips from the community , Milwaukee police chief says .