 The trio of Maniac Cop, Oficial and Vigilante won the Distrito Federal Trios Championship, although no documentation of who they defeated to win the title has been found.At some point between 1997 and 1998 Los Oficiales left AAa and began working for the local promotion in Naucalpan, State of Mexico that would later evolve into International Wrestling Revolution Group (IWRG).In Naucalpan Maniac Cop turned on his partners, to form a group called "La Escuadron De La Muerte" ("The Death squad"), who also used "Police officer" ring personas.