Michael Elijah 'Eli' Walker, 19, on Wednesday pleaded not guilty to two first-degree murder charges
He is accused of shooting dead his parents, Michael Logan Walker, 50, and Rachel Walker, 44
The elder Michael Walker was a long-time drummer in the Oklahoma rock band Aranda
Walkers' younger son told police that his older brother told him he shot their parent because they were talking to him telepathically and were Satanists
Eli's defense lawyer plans to file a motion detailing his client's mental illness
Published: 16:39 EDT, 14 March 2019 | Updated: 18:02 EDT, 14 March 2019
A 19-year-old Oklahoma man described by his attorney as mentally incompetent has pleaded not guilty to killing his parents, whom he believed to be Satanists who communicated with him telepathically.
Michael Elijah 'Eli' Walker was arraigned on Wednesday on first-degree murder charges in the March 4 shooting deaths of his musician father, Michael Logan Walker, 50, and his mother, Rachel Walker, 44.
Defense attorney Derek Chance says he expects to file a motion detailing his client's mental illness 'in the next week or two.'
Michael Elijah Walker, 19 (left), of Oklahoma, has pleaded not guilty to two murder charges in shooting deaths of his parents, Michael Logan Walker, 50, and Rachel Walker, 44 (right)
'I have had an initial assessment done on Eli, and it clearly indicates he is acutely paranoid and delusional,' Chance said, according to KOCO. 'This, we believe, explains the horrible tragedy.'
Maya Walker, the father's sister, told reporters after funeral services for the couple that the family pray Eli gets the best care possible.
According to an affidavit released last week, Eli's younger brother called police at 2.30am on March 4 after waking up to his mother's screams and the sound of gunshots.
The teen told officers that his 19-year-old brother said everything would be OK and that he would bury their parents' bodies.
Investigators said that the husband and wife were shot several times inside their home in the 2600 block of North Bryant Avenue in Edmond, and that their son Eli apparently reloaded his gun during the attack.
The father was a long-time drummer in the Oklahoma rock band Aranda, as well as at Life Church and other group and institutions, including South Western Christian University.
The Walkers were found riddled with bullets inside their home in Edmond, Oklahoma, early March 4
For 15 years, Michael Walker was a drummer in the Oklahoma rock band Aranda, whose other members paid tribute to him Monday night
The Edmond Police Department has released the 911 call reporting the fatal shooting, on which the couple's younger son is heard breathing heavily and speaking with evident difficulty, as reported by KFOR.
'He is my brother and he shot my parents,' the 17-year-old tells an emergency dispatcher, referring to Michael Elijah.
'He shot your parents? Where are they?' the call center operator asks.
'My father is in his room on the floor, and my mom is by the front door on the floor,' the boy replies.
Michael Elijah's 17-year-old brother (pictured left with his face obscured) called 911 Monday morning to report his parents' shooting. He pointed a finger of blame at his sibling (right)
Michael Sr and Rachel (2nd and 3rd from left) had been married for nearly 20 years. The woman also has a daughter from a previous relationship, Ashten (2nd right)
'Okay, are they breathing?' asks the operator.
'I do not believe they are,' the caller says.
When police officers arrived at the family's home, the 19-year-old suspect was still inside with a gun.
The cops used a PA system to talk Michael Elijah into exiting the home, as KTUL reported. Once outside, he was arrested without incident and taken to the Oklahoma County Jail, where he was booked on two counts of first-degree murder.
Both his mother and father were pronounced dead at the scene from multiple gunshot wounds.
Michael was shot in the head, face and torso, His wife was also shot multiple times in the upper torso.
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