2013
- January 15 – High-ranking Gulf Cartel leader El Metro 4 is assassinated in Tamaulipas state by alleged drug traffickers.
- January 28 – The bodies of eight members of the band Kombo Kolombia were found dead in Hidalgo, Nuevo León. Three days earlier, several unidentified gunmen kidnapped 20 members of the band after a concert in the same city.
- March 10 – Gulf Cartel forces led by Miguel El Gringo Villarreal and Mario Pelón Ramírez clash in Reynosa, leaving an unofficial death toll of 36 dead.
- April 13 – Sinaloa Cartel high-ranking leader Javier Torres Félix is deported to Mexico after serving jail sentence in the U.S.
- April 30 – Inés Coronel Barreras, the father-in-law of Joaquín El Chapo Guzmán, Mexico's most-wanted drug lord, is arrested.
- May 14 – Former U.S. Marine Armando Torres III is kidnapped by gunmen in the state of Tamaulipas and is not heard of since then.
- May 26 – In broad daylight at a bar in Zona Rosa neighborhood in Mexico City, 12 young people were kidnapped.
- June 6 – The Mexican Army rescues 165 kidnapped migrants from a safe house in Gustavo Díaz Ordaz, Tamaulipas.
Read more about this topic: Timeline Of The Mexican Drug War