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HBO Max Sets March 19 Premiere for Colosio Assassination Docuseries

Drawing on a newly declassified case file with fresh testimonies, the three-part project revisits unresolved questions.

Overview

  • Los asesinos de Colosio, produced by PAR Producciones for Warner Bros. Discovery, will stream as a three-episode series on March 19.
  • Producers say the investigation draws on a recently declassified case file alongside archival material and new interviews.
  • The series reexamines the 1994 killing of presidential candidate Luis Donaldo Colosio by contrasting official conclusions with alternative hypotheses, including the possibility of more than one shooter.
  • It situates the reassessment within the official 2022 reopening of the case by Mexican authorities.
  • Recent developments covered include the November 2025 arrest of former CISEN agent Jorge Antonio Sánchez Ortega as a suspected participant, plus testimonies from figures such as Carlos Salinas de Gortari, Laura Elena Colosio Murrieta, and relatives of Mario Aburto.