Cristobal Carrillo, 24, was one of two people killed in a shooting in La Grulla, Texas, on August 20, 2015. The attack also killed 23-year-old Efrain Trevino; a third person, 26-year-old Rodolfo Sanchez, was critically injured but survived.

Investigators later arrested 18-year-old Deion Gonzalez in connection with the crime. Gonzalez was charged with capital murder and unlawful possession of a firearm by a felon; he had initially been arrested on an aggravated kidnapping charge before the murder charges were added. Authorities linked Gonzalez to the scene as the Starr County Sheriff’s Office pursued evidence and built a case.

The killings devastated a small community and prompted a high-profile investigation and prosecution. If anyone knew Cristobal, Efrain, Rodolfo, or has information about the August 20, 2015 events in La Grulla, please share what you know.