Mamaroneck mother takes plea in daughter’s killing; faces 25 years in prison

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A Mamaroneck mother pleaded guilty to the 2018 murder of her 2-year-old daughter and the attempted murder of two police officers.

Cynthia Arce rejected taking a plea just over two weeks ago but changed her mind Thursday before a Westchester County judge.

Under the terms of her deal, Arce will receive a sentence of 25 years to life in state prison.

On April 28, 2018, Village of Mamaroneck police officers responded to Arce’s home on Chestnut Avenue after getting a 911 call from her mother reporting that someone was dying.

Authorities say when officers arrived, they found 2-year-old Gabriella unresponsive on her bed. According to investigators, Arce charged at the officers – repeatedly slashing at two of them with large knives.

Gabriella's father Stephen's Boyd has filed a lawsuit against Mamaroneck, its police department and the Westchester County District Attorney’s Office. He claims they failed to execute a court order granting him temporary custody of his daughter.

"It's a long road ahead of us,” he told News 12. He also said that he was satisfied with the terms of the plea agreement.

Arce's lawyer maintains she suffered from a severe case of post-partum depression.

Cynthia Arce is due back in court on Oct. 31 for sentencing.

RELATED STORIES: 
5K run held in honor of toddler who died in Mamaroneck 
Arce’s lawyer claims client suffered postpartum depression 
Gabriella Boyd Foundation donates $1K to Humane Society 

 

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