“a complex plot that author DW Viergutz weaves together masterfully in this novella prequel that whets the reader’s appetite to find out more about these intriguing characters.” Genevieve Callow is a complex and fascinating protagonist with a rich backstory. She’s a Senior Special Agent in the FBI’s division that profiles serial killers. She has an … More Red Mud River (Prequel novella to the Callow and Oakley thriller series), by DW Viergutz [Review]