Mexican Revolution
The PRI, or Institutional Revolutionary Party is one of the major lasting legacies of the Mexican Revolution; its first iteration was the Partido Nacional Revolucionario founded in 1929 under Northern revolutionary general and president of Mexico (1924–1928) Plutarco Elías Calles, following the assassination of president-elect (and former president) Álvaro Obregón in 1928. The establishment of the party created an enduring structure that managed not only presidential succession but also groups with competing interests. Initially, Calles remained the power behind the presidency during a period known as the Maximato, but his hand-picked presidential candidate, Lázaro Cárdenas, won a power struggle with Calles, expelling him from the country. Cárdenas reorganized the party that Calles founded, creating formal sectors for interest groups, including one for the Mexican military. The reorganized party was named Party of the Mexican Revolution. In 1946, the party again changed its name to the Institutional Revolutionary Party. The party under its various names held the presidency uninterruptedly from 1929 to 2000, and again from 2012 to 2018 under President Enrique Peña Nieto.
Cuauhtémoc Gutiérrez de la Torre
Cuauhtémoc Gutiérrez de la Torre (born 16 May 1968) is a Mexican lawyer, politician and former waste picker leader from the Institutional Revolutionary Party. From 2010 to 2012 he served as Deputy of the LXI Legislature of the Mexican Congress representing the Federal District and from 2012 to 2014 he served as Chairman of the Institutional Revolutionary Party in Mexico City. He is on a temporary leave of absence due to charges of using public resources and facilities to operate a prostitution ring; the prostitution ring allegations were a result of an investigative journalism investigation 
that included the testimony of 5 women and the undercover recordings of a journalist.