Juan Ayala-Montero, a 60-year-old Mexican national with an extensive criminal record including prior homicide and assault convictions, was arrested on May 23, 2026, after allegedly shooting multiple people in New Caney, Texas over the Memorial Day weekend. He was charged with unlawful firearms possession as a noncitizen and faces federal charges related to the shooting. ICE lodged a detainer seeking custody of Ayala-Montero from Montgomery County authorities, and he is currently in custody pending federal court appearance.