A New Hampshire teen convicted of murdering his sister-in-law and young nephews was sentenced 60-years to life in prison after defense attorneys sought leniency over his deeply troubled childhood.

Eric Sweeney, 19, received the sentence at a Concord courthouse Friday after he pleaded guilty to killing 25-year-old Kassandra Sweeney and her young sons — Benjamin, 4, and Mason, just 23 months — at their bucolic Northfield home in 2022.

Sweeney was 16 at the time of the murder and living with his older brother, Sean, and Kassandra under their guardianship when he walked into the family kitchen with a handgun and gunned the family down. 5

Little Benjamin was shot in the head through the hood of a dinosaur costume he was wearing. And just minutes earlier, Kassandra had been filming vid

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