Watch The First 48 Season 4 Episode 5 Online

Miami detectives respond to the stabbing murder of an elderly man found dead in his home. After collecting key evidence on the crime scene and talking to witnesses, Detective Rolando Garcia starts to suspect the victim's emotionally unstable nephew may have committed the murder. In Memphis, Sergeant Caroline Mason investigates the murder of a young man outside of a liquor store. She uses all her interrogation skills and street smarts to find her suspect.