An 11-year-old boy in Centennial, Colorado, faces first-degree murder charges in the death of his 5-year-old brother, discovered in their home on March 10, 2026. The Arapahoe County Sheriff’s Office confirmed no ongoing threat to the community and is treating the case as a homicide, with the cause of death still under investigation.
Incident Overview
Deputies responded to a residence in the 5200 block of South Jericho Street (or Way) around 5:30 p.m. on Tuesday, March 10. The 11-year-old suspect was identified hours later and taken into custody at the Marvin W. Foote Youth Services Center in Centennial. Sheriff Tyler Brown expressed condolences to the family, classmates, teachers, and neighbors affected by the tragedy.
Legal Status
Formal charges are expected within a week from the 18th Judicial District Attorney’s Office, with the case in Juvenile Court—no adult charges at this time. Details are limited due to both parties being minors. Arapahoe County Schools offered mental health support to students and staff processing the loss.








