Judge Orders Full Competency Exam for Homicide Defendant

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On April 5, DC Superior Court Judge Marisa Demeo ordered a full mental competency examination for a multi-homicide defendant who already stands convicted of one killing.

Matthew Walker, 26, was charged with first-degree murder while armed, assault with intent to kill, and possession of a firearm during a crime of violence among other charges for his involvement in the fatal shooting of David Remen, 32, on Feb. 14, 2019 on the 1700 Hamlin Street, NE. One other individual sustained severe injuries in the attack.

On Jan. 8, Judge Demeo found Walker guilty of Remen’s first-degree murder while armed and other related charges.

Walker is also charged with first-degree murder while armed for allegedly stabbing 23-year-old Jamal Green-Lee on the 100 block of Michigan Avenue, NE, on April 29, 2019. Green-Lee died on Nov. 4, 2020.

Judge Demeo reviewed a report from the Department of Behavioral Health (DBH) which revealed the results from a competency evaluation were inconclusive as the doctor was unable to form an opinion.

Judge Demeo told the parties she will order a full competency exam as recommended by the doctor.

Parties are expected to return to court on May 16.

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