District Attorney’s Office
Jeffrey Mason Maynard, DOB: 11-10-91, appeared on September 26 in the Gilpin County District Court and pled guilty in the death of 63-year-old John Cumby. Mr. Cumby’s body was found in a remote campground in Gilpin County in September, 2017. Maynard pled guilty to Second Degree Murder (F2); two counts of Identity Theft (F4); and one count of Aggravated Motor Vehicle Theft (F4).
On September 11, 2017 Mr. Maynard was arrested following a traffic stop in Ada County Idaho. He was driving a van which was registered to Mr. Cumby. Ada County Sheriff’s deputies found several items belonging to Mr. Cumby in the van, including his wallet with credit cards, his Social Security card, and his passport. They also found camping equipment and clothing belonging to Mr. Cumby.
Mr. Cumby lived in Illinois, but was spending some time in the Rocky Mountains. Investigators spoke with Mr. Cumby’s family in Illinois and learned that he had not been heard from since August 20 and was overdue in returning to Illinois.
The investigation in Idaho led the Ada County Sheriff’s deputies to contact the Gilpin County Sheriff’s Office on September 11, 2017. The Gilpin County Sheriff’s Office began their investigation with the assistance of the Colorado Bureau of Investigation (CBI), the Jefferson County Sheriff’s Office, and the District Attorney’s Office.
On September 13, 2017 the Gilpin County Sheriff’s Office, with the assistance of the Jefferson County Sheriff’s Department K-9 Unit and the Front Range Rescue Dogs Association, located the remains of Mr. Cumby in a camping area near Rollinsville in Gilpin County.
Mr. Maynard was extradited from Idaho to Gilpin County on December 28, 2017.
Sentencing has been set for November 29 at 1:30 p.m. Mr. Maynard faces a sentencing range of from 40-78 years in prison.