How exactly was a gang ringleader caught and jailed after more than £100 million in dirty cash was smuggled into Dubai? Money laundering is one of the biggest threats to UK security, allowing dangerous, organised crime groups to fund their illegal operations and commit more crime. Sunshine and Lollipops investigates how NCA officers and financial investigators hunted and caught Abdullah Alfalasi and his ring of conspirators.   See omnystudio.com/listener for privacy information.