SPRINGFIELD — A Hampden County court judge sentenced a Springfield man to life in prison without the possibility of parole for carjacking and murdering 25-year-old Brianne “Bri” Boiselle in 2021.

Kaysone Walters , 37, also will serve 18 to 20 years concurrently for the armed carjacking.

The verdict came after an investigation by several agencies, Hampden District Attorney Anthony D. Gulluni said in a statement Friday.

On Aug. 11 , 2021 , Springfield police found Boiselle face down, unresponsive and suffering from dozens of stab wounds in a small lot on Baldwin Street in Springfield.

Boiselle, of Chicopee, had 56 stab wounds and defensive wounds to her left arm and hand. Officers tried to provide first aid, but Boiselle died from her injuries at the scene.

Evidence showed Wal

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