BROCKTON, Mass. (WPRI) — Police have arrested a 70-year-old man accused of stabbing his friend to death in Brockton on Halloween night, according to Plymouth County District Attorney Tim Cruz.

Tyrone Henderson was taken into custody last Friday and charged with murder in connection with the death of 68-year-old Mark Courtney.

Cruz said officers were called to an apartment off Spring Street just before 10 p.m. to investigate reports of a stabbing.

The officers found Courtney on the ground inside the apartment suffering from stab wounds to his neck, chest and leg. Courtney was pronounced dead at the scene, according to Cruz.

Investigators believe Henderson stabbed Courtney 22 times, though Cruz said his motive for doing so remains unclear.

Henderson pleaded not guilty Monday and was ord

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