A domestic dispute in Aurora turned deadly in the early hours of August 3, 2025. Around 3 a.m., 30-year-old Michel Jordan Castellano-Fonseca allegedly forced his way into an apartment on Cimarron Circle and opened fire. Twenty-seven-year-old Grabriela Esmeralda Marquez Avila was killed at the scene; another woman, age 30, was critically wounded and taken to hospital.

Three adults and five children aged one to fifteen were in the apartment. The children and a 20-year-old man were physically unharmed but witnessed the shooting. Investigators tied the attack to an earlier domestic violence incident involving Castellano-Fonseca. He fled but was located and arrested the next day and now faces a first-degree murder charge; the 18th Judicial District Attorney’s Office is handling the case. Reports also said the suspect was the victim’s brother-in-law and that he and his wife were both present that night.

Did anyone in Aurora know the family or see activity around the Cimarron Circle complex that morning?