Blood, Lies & Alibis

Criminal investigations into serious crimes such as murders often take a long time to complete, with such factors as crime scene evidence and often-conflicting testimony from suspects and witnesses, many of whom have something to hide, among the factors that cause tie-ups in the investigations. "Blood, Lies & Alibis" tracks the progress of cases as detectives and district attorneys use forensic evidence, old-fashioned legwork and years of determination to deliver justice to families and communities mourning murder victims.