Luis Donaldo Colosio Riojas, son of the presidential candidate of the Institutional Revolutionary Party (PRI) who was murdered almost 30 years ago, asked President Andrés Manuel López Obrador to pardon his father's confessed murderer, Mario Aburto Martínez. “Appealing to the president's compassion, I say that he better pardon Mario Abuurto, that he pardon him,” he said.
Abur to was arrested on March 23, 1994, accused of killing Luis DonaldoColosio Murrieta.