Britain's betting industry is booming, with the amount people gamble having almost doubled in a decade and company profits soaring to ú14.5 billion. But are the bookies doing enough to protect problem gamblers? Reporter Bronagh Munro investigates an industry where complaints are rising even more quickly than profits, meeting one person who gambled away more than ú3 million, and families who have lost their children to addiction.

This Panorama special follows West Midlands Police as they bring down the biggest human slavery operation that has ever been caught in the UK.