Gerardo "N" was detained as a probable participant in the events, and Diego Sebastián "N", identified as a partner of Meléndez Ochoa, was detained as a probable author of the multiple homicide. ^[1] Jonathan Samuel Meléndez Ochoa, a 38-year-old keyboardist and music producer associated with the group Camilo Séptimo, was found dead along with three other individuals inside a residence in Zona Esmeralda, State of Mexico. ^[2] A mass shooting occurred on September 1, 2026, in a penthouse located in the Grand Viure residential complex in the Zona Esmeralda neighborhood of Atizapán de Zaragoza, Estado de México. ^[3] The attack killed four people: Jonathan 'Honas' Meléndez, a 38-year-old keyboardist and founder of the synthpop band Camilo Séptimo; his 35-year-old wife who was four months pregnant; their three-year-old daughter; and a 21-year-old domestic worker. ^[4] According to the investigation, the suspect who was a business partner allegedly used that relationship of trust to enter the victim's residence without raising suspicion. ^[5] Omar García Harfuch, Mexico's Secretary of Security and Citizen Protection, stated that one of the two detained suspects was a business partner of victim Jonathan Meléndez. ^[6] Mexican authorities secured the gray sedan used by suspects to escape after the mass shooting that killed musician Jonathan Meléndez and his family in Atizapán de Zaragoza. ^[7] Investigations indicated that the homicide likely occurred between 17:30 and 19:40 hours on Tuesday, with suspects entering the home by exploiting a relationship of trust one of them maintained with the victims. ^[8] The homicide occurred on the night of September 1 around 23:50 hours when municipal police arrived at the apartment after receiving a report of several people without life. ^[9] Investigations by the Fiscalía General de Justicia del Estado de México (FGJEM) found no signs of forced entry or struggle, leading authorities to suspect the perpetrators gained access with the help of residents. ^[10] Two suspects were arrested, including a man identified as Diego Sebastián 'N', who is alleged to be a close associate and partner of the victim, Jonathan Meléndez. ^[11] A young son of the couple was found alive inside the apartment with no signs of violence. ^[12]