BOSTON, November 8, 2018— Three men who undertook the 2016 murder of 41-year-old Shawn Borden were found guilty of all charges this afternoon, Suffolk County District Attorney John P. Pappas said.

A Suffolk Superior Court jury deliberated for approximately three and a half days before finding TYSHAWN CUMMINGS, 23; TYSHAWN SANDERS, 20; and JAMARI MANNING, 23, guilty of first-degree murder under the theory of deliberate premeditation. Jurors also convicted the three men of unlawful possession of a firearm and carrying a loaded firearm. All of them face a term of life in prison without the possibility of parole – the mandatory term for first-degree murder.

“This was an ambush,” Pappas said. “We believe it was carefully planned by all three participants sharing one deadly motive. The jury held each defendant accountable for his role, and I hope their verdict can give some small measure of comfort to Mr. Borden’s family and loved ones.”

During two weeks of testimony, Assistant District Attorney Catherine Ham of the DA’s Homicide Unit presented evidence and testimony to prove that, on Oct. 18, 2016, a vehicle operated by Manning with Cummings as the front seat passenger drove down Dorchester Avenue, where they observed Borden vacuuming a vehicle outside with members of his family. Manning and Cummings were captured by a surveillance camera in the area, and Cummings was additionally placed at the location by a GPS monitor he had been ordered to wear as a condition of his open bail on an unrelated gun case.

Approximately 20 to 30 minutes prior to the shooting, the evidence showed, Manning and Cummings picked up Sanders and drove to a location on Dorchester Avenue, passing the victim once again. The evidence showed that Manning and Cummings waited inside the vehicle in the area of Silloway and Mather streets while Sanders exited the vehicle and walked to the intersection of Mather Street and Dorchester Avenue, where he opened fire. He then fled back to the waiting vehicle; Manning and Cummings dropped Sanders off at his home minutes after the shooting.
Borden was transported to Boston Medical Center, where he succumbed to his injuries on Oct. 25, 2016.

Anite Cetoute is the DA’s assigned victim witness advocate. Cummings was represented by William White, Sanders by David Grimaldi, and Manning by Frank Spillane. Sentencing will take place Nov. 16.

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All defendants are presumed innocent until and unless proven guilty beyond a reasonable doubt.