Watch Free Online HD Moviesjoy. Most people probably think nothing of buying or banking online. But what about when people private information falls into the wrong hands? This documentary has exclusive access to a specialist police unit who go after the gangs responsible for fraud, Britain's fastest growing crime. Here the detectives track a gang stealing hundreds of credit cards, uncover corrupt bank insiders selling account details and tackle an international gang whose members have stolen more than £3million from Britain's cash machines.