By THÉRÈSE MARGOLIS In what seems like a little bit of very justified tit-for-tat, the family of Laura Morán Servín, widow of Federal Attorney General (FGR) Alejandro Gertz Manero’s late brother Federico Gertz Manero, filed a request on Wednesday, Sept. 22, with Mexico’s Financial Intelligence Unit (UIF) to investigate allegedly illicit deposits by their in-law in foreign tax havens for