Mexican presidential candidate for the MORENA party, Andres Manuel Lopez Obrador greets supporters, during a campaign rally in Chimalhuacan,State of Mexico, on June 14, 2018 ahead of the upcoming July 01 election. (Photo by ALFREDO ESTRELLA / AFP)        (Photo credit should read ALFREDO ESTRELLA/AFP/Getty Images)
A supporter of Mexican presidential candidate for the MORENA party, Andres Manuel Lopez Obrador, holds a sign during a campaign rally in Chimalhuacan,State of Mexico, on June 14, 2018 ahead of the upcoming July 01 election. (Photo by ALFREDO ESTRELLA / AFP)        (Photo credit should read ALFREDO ESTRELLA/AFP/Getty Images)
Mexican presidential candidate for the MORENA party, Andres Manuel Lopez Obrador addresses his supporters, during a campaign rally in Chimalhuacan,State of Mexico, on June 14, 2018 ahead of the upcoming July 01 election. (Photo by ALFREDO ESTRELLA / AFP)        (Photo credit should read ALFREDO ESTRELLA/AFP/Getty Images)
A supporter of Mexican presidential candidate for the MORENA party, Andres Manuel Lopez Obrador, takes part of a campaign rally in Chimalhuacan,State of Mexico, on June 14, 2018 ahead of the upcoming July 01 election. (Photo by ALFREDO ESTRELLA / AFP)        (Photo credit should read ALFREDO ESTRELLA/AFP/Getty Images)
Mexican presidential candidate for the MORENA party, Andres Manuel Lopez Obrador cheers his supporters, during a campaign rally in Chimalhuacan, State of Mexico, on June 14, 2018 ahead of the upcoming July 01 election. (Photo by ALFREDO ESTRELLA / AFP)        (Photo credit should read ALFREDO ESTRELLA/AFP/Getty Images)