EL PASO, Texas (KTSM) - All three juvenile defendants allegedly involved in the mass shooting on Friday evening, March 21 at Young Park in Las Cruces will be held in custody pending further legal proceedings, Doña Ana County District Attorney Fernando R. Macias confirmed. Suspects in Las Cr uces shooting had past criminal history As we previously reported, there are four suspects in the deadly shooting that killed three teens and injured 15 other people, and they are all facing murder charges. The adult suspect, Tomas Rivas, 20, had his first appearance in magistrate court on Monday, March 24, regarding the shooting. The three juveniles — two 17-year-old boys and one 15-year-old boy — have not been publicly identified. UPDATE: 4 suspects arrested in park shooting in Las Cruces "Macias’ office presented clear and convincing evidence that the three juveniles presented a serious risk of harm to themselves and the community," read the news release by the DA's Office. The DA's Office said Judge Grace B. Duran granted the state’s motion for continued detention. “Today’s outcome solidifies my commitment to ensuring that anyone who endangers the safety of our community will face appropriate consequences. Our office recognizes the severity of this incident and will do everything in its power to ensure accountability for those responsible and ensure the safety of our community," Macias said. During Tuesday's hearing, with testimony from Las Cruces Police detectives, Macias presented the role of each defendant in the events that took place on Friday. Witnesses, family grapple with aftermath of Las Cruces shooting Macias provided a detailed overview of the involvement of the juveniles, highlighting the significance and dangerousness of their actions, and the ongoing investigation into the shooting, the DA's Office said. “This office reasserts its stance on juvenile crime on our community and will not tolerate the criminal and intentional use of firearms to intimidate, hurt, or harass others," said Senior Trial Attorney Jeanne Quintero. "Our goal is to assist the community in fostering a safe environment for all.” "The District Attorney’s Office extends its deepest sympathies to the victims of this tragedy and their families and assures the public that all necessary steps are being taken to pursue justice," read the news release by the DA's Office. ...read more read less