Farmers are warned they will pay the price if they exploit their workers from overseas as recruiters give evidence to the Horticulture Sector Committee about seasonal workers. How fruit and vegetable growers in Scotland are managing water supplies after two hot, dry summers have increased pressure on rivers and reservoirs. And why the National Food Crime Unit wants greater powers to tackle serious, organised and complex cases of crime relating to food. Presented by Caz Graham and produced by Rhiannon Fitz-Gerald.