GOLDEN, Colo. — A grand jury for Jefferson and Gilpin counties has returned a two-count indictment against a man in the death investigation of Jax Gratton, a beloved hairstylist whose body was found months after she disappeared last year.
Brandon David Mumma, 44, faces one count of tampering with a deceased human body and one count of tampering with evidence, according to a news release from the First Judicial District Attorney’s Office. Mumma is believed to be the last known person to be with Gratton.
The indictment alleges that Gratton and Mumma, who were in a “consensual intimate relationship,” entered an office space located at 9655 West Colfax Avenue in Lakewood at 10:41 p.m. on April 15, 2025, the DA’s office said. A male friend arrived at 12:14 a.m. and left the unit with Mumma at 1:43 a.m., leaving Gratton alone and asleep under the influence of drugs, according to the indictment. Based on multiple security cameras that recorded activity in the entryway, stairway and throughout the common areas of the building, nobody entered or exited the doors of Unit G until Mumma returned at 5:55 a.m., according to the release…