By KELIN DILLON  Following an investigation by Mexico’s Financial Intelligence Unit (FIU) of the Secretariat of Finance and Public Credit (SHCP), financial records tracking the spending of controversial Attorney General (FGR) Alejandro Gertz Manero and recently disgraced former FIU head Santiago Nieto showed the two officials’ extravagant spending habits, doling out millions and millions of pesos for exotic cars, luxury properties