When two bodies turned up brutalized and burned in 2006, Cincinnati homicide detective Keith Witherell suspected the same person killed both victims. But the problem was, the killer left no clues.

Anthony Kirkland, in his 49 years on earth, killed three women and two teenage girls. On Tuesday, when sentencing Kirkland for the deaths of 13-year-old Esme Kenney and 14-year-old Casonya Crawford, ...