Expert Witness Extended Version

Text message analysis reveals a shocking crime, and DNA on old evidence catches a killer. Soil science and the first murder case solved using DNA evidence are also explored.

A DNA expert witness helps solve a 50-year-old crime, a murder investigation is solved by tracking unusual blue fibres around the world, and forensic anthropology is explored.

A forensic art expert proves paintings by a well-known artist are fake, blood spatter patterns in a hotel help catch the killer of a father of three, and there's a fingerprinting masterclass.

Expert witnesses analyse nettles and soil to catch the killer of the Soham schoolgirls, new DNA techniques finally solve cold case murders, and ballistics techniques are demonstrated.