Based on concerns about the defendant’s mental competency, a judge Friday ordered psychiatric examinations for a 41-year-old probationer accused of attacking his neighbor with a sword in Murrieta, then barricading himself in his residence until a SWAT unit forcibly took him into custody.

Michael John Keen was arrested last week following an hours-long Murrieta Police Department operation.

Keen is charged with assault with a deadly weapon, false imprisonment, vandalism and probation violations.

He has been scheduled for arraignment on four separate occasions over the previous week, but the defense requested postponements each time, and on Friday morning, Keen’s public defender submitted a motion seeking a mental health determination.

Riverside County Superior Court Judge Judith Clark ag

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