The 11-year-old Centennial boy accused of killing his 5-year-old brother has been formally charged with first-degree murder, according to the Arapahoe County District Attorney’s Office.
The formal charge was filed Monday in addition to an aggravated juvenile offender charge, according to Eric Ross, a spokesperson for the DA’s office. Ross said the boy has not yet been advised of the charges against him.
The boy was arrested last week after Arapahoe County Sheriff’s deputies were called to a home in the 5200 block of South Jericho Way at about 5:30 p.m. March 10. At the home, a 5-year-old boy was found dead…