Over the last 10 years, Memphis has had more than 1,500 people killed and nearly 5,000 taken to hospitals for firearm-related assaults. And the numbers show it’s getting harder to solve violent crime. Investigative reporter Marc Perrusquia talks to Don Crowe with the Memphis Police Department's investigative services about the roadblocks police encounter when trying to solve a homicide. Plus, Buddy Chapman with Crime Stoppers says violent crime, unfortunately, has helped his organization grow.