Quickfinger by Désirée Nordlund

Police Detective Patricia Palmer works for a better World and trusts in everyone's equal value. When Celerina crosses her path, everything she believes in is rocked to its core. She knows her newfound friend is a pickpocket but is unprepared to arrest her as the prime suspect of a double homicide. Celerina's involvement appears to be obvious. Yet, their suspect does not behave as other killers. Palmer and her partner Detective Chaney decide to find the missing pieces.