Boyfriend Learns Fate For Stabbing 21-Year-Old Woman To Death, Breaking Knife In Her Skull

SUFFOLK COUNTY, N.Y. (SCDAO / News Release) – Suffolk County District Attorney Raymond A. Tierney today announced that Kisjonne Campbell, 25, of Brooklyn, was sentenced to 20 years to life in prison after he pleaded guilty to Murder in the Second Degree for the fatally stabbing 21-year-old Michaelle Jaccis.

“There is absolutely no justification for this defendant’s violent actions,” said District Attorney Tierney. “The brutal manner in which he chose to attack and kill Ms. Jaccis deserves an equally brutal sentence in prison.”

According to the investigation and the defendant’s admissions during his plea allocution, sometime after 2:00 p.m. on January 1, 2022, the victim, Michaelle Jaccis, her fraternal twin brother, and her 15-year-old brother were at their residence in West Babylon when Campbell knocked on the door. The victim’s 15-year-old brother answered, and saw Campbell was wearing all black with a ski mask around his neck a jacket and grey sneakers. The teen, who had never seen Campbell before, said that when he opened the door, Campbell asked him if he had a phone number to a cab company. The victim’s brother then looked up a number for a cab company and gave it to Campbell, who then left.

The victim’s brother then informed the victim about what happened which prompted her to go outside for a short drive in the family vehicle.

Shortly after the victim returned home, she was violently attacked by Campbell in front of her house. The victim’s brothers rushed to the door when they heard her screaming. When the brothers opened the door, they saw Campbell, who was wearing the same clothing as he was wearing earlier when he knocked on the door, furiously stabbing their sister. The brothers ran inside and called 911, but by the time they went back outside, Campbell was gone. Police spotted Campbell, who matched the description given by the brothers during the 911 call, jogging down a nearby block. Upon seeing a marked police unit, Campbell attempted to jump over a fence to flee, but failed. Campbell was taken into custody within seven minutes of the original 911 call. Thereafter, the victim’s brother identified Campbell as both the man that originally asked for the cab company number and as his sister’s killer.

Later that same afternoon, a knife with a broken tip was recovered by members of the Suffolk County Police Department in the bushes of the house next door to the crime scene. It was later learned at the victim’s autopsy that the tip of a sharp metal object was recovered from her skull. The ski mask was also recovered nearby and possessed DNA that matched Campbell.

Campbell was transported to police headquarters where he spoke to detectives for approximately two hours. During that videotaped interview, Campbell stated that he had a relationship with the victim and took a cab from the shelter where he was staying at to her home in Long Island that day. He admitted to having a physical altercation with Jaccis, conceding that he punched her in the face. Campbell described a long knife that he was carrying that day but told police that he blacked out after he struck Jaccis.

On May 8, 2023, Campbell pleaded guilty before Supreme Court Justice, the Honorable John B. Collins, to Murder in the Second Degree, a Class A felony.

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