Authorities detained two men on September 2, 2026, identified as Diego Sebastián 'N' and Gerardo 'N', who are suspected of the multiple homicide. ^[1] Four victims were found dead inside a residence in the Zona Esmeralda neighborhood of Atizapán de Zaragoza, State of Mexico, including Jonathan Meléndez, a member of the indie rock band Camilo Séptimo. ^[2] President Claudia Sheinbaum Pardo stated on September 3, 2026, that a mass shooting in Atizapán, State of Mexico, was caused by a dispute between the family of a musician from the band Camilo Séptimo and the family of the aggressor. ^[3] President Claudia Sheinbaum described the killing of musician Jonathan Meléndez, his pregnant wife, their three-year-old daughter, and a domestic worker in Atizapán as a 'very sad, terrible situation' during her Thursday morning press conference. ^[4] The Fiscalía General de Justicia del Estado de México (FGJEM) concluded that the search for a cold wallet containing millions of dollars in Bitcoin was the motive for the assassination of Jonathan Meléndez and his family. ^[5] Diego Sebastián 'N' is identified as a business partner of the victim and a presumed author of the crime, while Gerardo 'N' is also detained. ^[6] Authorities reported the arrest of two men alleged to have committed the murders in Atizapán, which Sheinbaum stated was motivated by a dispute between two families. ^[7] President Sheinbaum noted that Mexico is among the 'best-positioned countries' in terms of trade with the United States because most of its exports enter the US duty-free under the USMCA free trade pact. ^[8] President Sheinbaum stated that her government is working hard to secure a better agreement with the Trump administration on tariffs affecting Mexican steel, aluminum, and vehicles. ^[9] The stolen cryptocurrency assets were estimated to be worth millions of dollars in Bitcoin. ^[10] The target of the attack was a cold box, a device used to store private keys for cryptocurrency access. ^[11]