This book by Michael Hearns is an authentic true depiction and explanation of the mysterious world of money laundering. Hearns spent 10 years undercover in the Medellin and Cali drug cartels not only facilitating and conducting large scale cocaine transactions but also primarily as a money launderer for the drug cartels. In that decade of being undercover with the Colombian Medellin and Cali drug cartels in the late 1980's on into the late 1990's. and acting in the capacity of an undercover agent he was a Miami based money launderer first for the Medellin and then Cali drug cartels of Colombia. Hearns have lectured and instructed at many national banking centers and law enforcement centers in the USA concerning Anti Money Laundering issues.