GRAND JUNCTION, Colo. (AP) — An investigation into the death of a Colorado man over what authorities believe was an attempt to gain control of a family ranch has resulted in the arrest of the man's 68-year-old mother.

Deborah Sue Rudibaugh, of Parlin, was taken into custody Friday, a day after the arrest of 33-year-old Stephanie Jackson.

Investigators have accused Jackson of killing her 29-year-old brother, Jacob Henry Millison, in an attempt to gain control of the family's 700-acre ranch.

The Grand Junction Daily Sentinel reports that Rudibaugh was being held without bond on several charges, including one count of first-degree murder after deliberation. It couldn't be immediately determined if she had an attorney.

Jackson faces a first-degree murder charge and as well as other charges. She was being held on $500,000 bond.


Information from: The Daily Sentinel,