Investigators are on the trail of a global scam that has conned a series of NHS hospitals out of over £12.5 million, and a hospital cashier leads the high life - taking money meant for patients and putting it in to her own bank account.

Investigators uncover an abuse of public money when an NHS manager and his friends conspire to take a quarter of a million pounds - money meant to pay for dialysis equipment for patients. Plus the case of a man who for six years claimed the NHS pension of his dead aunt.