Arapahoe County Sheriff’s Office investigators have obtained an arrest warrant for 26-year-old Brandon Johnson for First Degree Murder and Sexual Assault that occurred at 7540 E. Harvard Ave. on Wednesday, Feb. 10, 2016. Investigators obtained an arrest warrant for Johnson on those charges on Friday, Feb 12, 2016. He is accused of sexually assaulting the mother of his 2-year-old child before killing his own 6-year-old son.

Johnson was placed under arrest while still being treated for what are believed to be self-inflicted knife wounds. He is now being detained while continuing his medical treatment, until he can be transported to the Arapahoe County Detention Facility. There is no estimate on when that may take place or when a booking photo will be available.

The adult female sexual assault victim was treated and released from the hospital, along with her 2-year-old child.

A booking photo will be released by the Arapahoe County Sheriff’s Office when it becomes available.

There is no additional information available at this time.