Watch The First 48: Bad Blood

This popular, hour-long TV series is in the true-crime genre. The First 48: Bad Blood revisits unsolved murder cases originally featured on the series The First 48 and includes updates on the resolution of the crimes including up-to-date interviews with the original detectives on each case. Each episode looks at a different case in a different city. The cases often involve revenge killings or gang retaliations and follow detectives as they follow police protocols to attempt to unearth new evidence, track down the perpetrators and investigate the motives for the crimes. The First 48: Bad Blood gives viewers a look at all of the unglamorous grunt work that goes into a crime investigation as the detectives follow new leads. Police are followed in documentary-style footage as they revisit crime scenes, interview suspects and victims’ families and work with experts in the legal world and scientists in the world of forensic medicine