Lawyer: Man charged in parents' slayings pleads not guilty

FILE--This March 4, 2019 booking photo released by the Oklahoma County Sheriff's Office shows Michael Elijah Walker. Police say the 19-year-old Oklaho

FILE--This March 4, 2019 booking photo released by the Oklahoma County Sheriff's Office shows Michael Elijah Walker. Police say the 19-year-old Oklaho

EDMOND, Okla. (AP) — A 19-year-old Oklahoma man described by his attorney as mentally incompetent has pleaded not guilty to killing his parents at their suburban Oklahoma City home.

Michael Elijah "Eli" Walker was arraigned Wednesday on first-degree murder charges in the March 4 shooting deaths of Michael Logan Walker and Rachel Walker in Edmond.

Attorney Derek Chance says he expects to file a motion detailing Eli Walker's mental illness "in the next week or two."

Walker's family haven't responded to requests for comment, but Maya Walker, the father's sister, told reporters after funeral services for the couple that the family prays Eli Walker gets the best care possible.

Police say Walker's 17-year-old brother told investigators that Walker said he killed their parents because they were communicating with him telepathically and Satan worshippers.