Mobile phones, CCTV and cashpoints can track virtually every human move. We see exactly how this aids murder investigations.


  • {S}03.{E}09. A Taste Of Poison

    S03.E09. A Taste Of Poison

    Poisoners: devious killers relying on their victim's trust in order to steal their lives. Find out why they don't usually stop at just one kill.
    Duration: 44 Min
  • {S}03.{E}11. Texas Rangers

    S03.E11. Texas Rangers

    Examines the history and modern evolution of the Texas Rangers, who were formed in the 1830s to protect settlers against attacks from natives.
    Duration: 44 Min
  • {S}03.{E}12. Bad Medicine

    S03.E12. Bad Medicine

    A thought-provoking look at how drug trafficking has spawned a violent and deadly criminal underground.
    Duration: 44 Min
  • {S}03.{E}13. Unlikely Sources

    S03.E13. Unlikely Sources

    How baffling crimes have been solved through evidence provided by insects, beer bottles and other seemingly meaningless objects.
    Duration: 44 Min
  • {S}03.{E}14. True Crime

    S03.E14. True Crime

    Crime writers know as much about crime as any crime-fighter – or criminal. They can provide as near a first-person account of a murder as is possible.
    Duration: 43 Min
  • {S}03.{E}15. Coroner's Casebook

    S03.E15. Coroner's Casebook

    A good coroner provides what is necessary to solve a crime. A bad one can ruin an otherwise rock-solid case.
    Duration: 43 Min