DNA found on bodies of two women matched to Ellis , police say . Walter E. Ellis charged in nine killings and more charges likely , police say . Police chief hails arrest : `` This case was solved with shoe leather and science '' The women were killed April 2007 .
DNA found on bodies of nine women matched to Walter E. Ellis , police say . Ellis charged in two killings and more charges likely , police say . Police chief hails arrest : `` This case was solved with shoe leather and science '' The women were killed between 1986 and 2007 .