During the 1970s, Mexico engaged in a "dirty war" against left-wing dissidents and suspected "subversives," resulting in the arrest and "disappearance" of hundreds of its own citizens.During the 1970s, Mexico engaged in a "dirty war" against left-wing dissidents and suspected "subversives," resulting in the arrest and "disappearance" of hundreds of its own citizens.During the 1970s, Mexico engaged in a "dirty war" against left-wing dissidents and suspected "subversives," resulting in the arrest and "disappearance" of hundreds of its own citizens.