A 48-year-old Cheyenne man has been charged with first-degree murder in the death of his 80-year-old mother.

James "Brian" Wallace was scheduled to make his initial appearance in Laramie County Circuit Court Thursday afternoon, but was uncooperative and won't be seen until May 23.

Wallace is accused of killing his mother, Carol J. Wallace, whose body was found in the basement of her home in the 1100 block of Green Mountain Road on May 10.

"There were three different events that happened to her," said Laramie County Sheriff's Office spokeswoman Captain Linda Gesell.  "We're waiting for the blood expert to determine what event took place first, and then we're waiting for the medical examiner report."

Wallace, who was arrested on an unrelated warrant, continues to be held in the Laramie County jail.  If convicted, he could face the death penalty.

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