EL PASO, Texas (KTSM) -- Closing arguments concluded for the trial of 16-year-old Josiah Ontiveros, the youngest defendant in the 2025 Las Cruces Young Park mass shooting case that killed three teens and injured 15 others. Jurors are still deliberating on guilty or not guilty, as Ontiveros faces thr ee counts of first-degree murder. The court [...] ...read more read less