How two police agencies built a money-laundering machineIt began in a trailer in the shadows of one of Florida’s most elegant malls, a brazen plan by two small police agencies to take on the hemisphere’s most dangerous drug cartels. Forming their own task force, members of the Bal Harbour police and Glades County Sheriff’s Office struck deals with criminal organizations across the country in what grew into the largest state undercover money-laundering investigation in years.