HONOLULU (KHON2) — The man accused of beating a woman to death outside the Kapolei police station pled not guilty on Monday, March 21.

Police said Michael Armstrong beat Linda Johnson with a tree trunk on Feb. 15.

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Armstrong was charged with second degree murder.

Police records show Armstrong was arrested for allegedly assaulting an officer and a worker at a halfway house in Mililani on Feb. 14.

He was released Feb. 15, and shortly after the fatal attack at the Kapolei police station happened.

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Prosecutors said Armstrong has been indicted for assaulting a law enforcement officer and another person.