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Prosecutors in New Hampshire will tell a judge Friday that a teenager who admitted to killing his sister-in-law and her two sons in 2022 should spend nearly a century behind bars.

Eric Sweeney, who is now 19, was 16 when he fatally shot Kassandra Sweeney, 25, and her sons, 4-year-old Benjamin and 23-month-old Mason, at their home in Concord.

Sweeney pleaded guilty in August to lesser second-degree murder charges. He was originally charged with murder in the first-degree.

MOM'S FINAL WORDS TO HUSBAND REVEALED BEFORE TEEN BROTHER-IN-LAW KILLED HER, KIDS: DOCS

Prosecutors are seeking consecutive sentences of 35 years to life for Kassandra Sweeney’s death and 40 years to life for each of the boys’ deaths, with up to 18 years

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