Farm 999

A determined detective in Hertfordshire begins painstakingly piecing together a pattern of farm equipment thefts that crosses county lines. As the investigation rapidly unfolds, his hunch leads to a major breakthrough and the dramatic capture of two men behind a £44,000 crime spree. In Leicestershire, a specialist fire and rescue team joins forces with a local farmer to rescue a heavily pregnant cow that has found itself trapped in a swimming pool. In south Wales, reporter Paul Colgan meets the scientists pioneering an extraordinary new forensic technique that uses soil DNA to track illegal off-road bikers