A New Hampshire man accused of killing his sister-in-law and two young nephews when he was 16 pleaded guilty to second-degree ...

Eric Sweeney, 19, fatally shot Kassandra Sweeney, 25, and her sons, Benjamin, four, and Mason, one, while living at their Northfield home.

A prosecutor outlined the last moments of the lives of a mother and her two children before Eric Sweeney pleaded guilty Friday morning to murdering them inside their Northfield home in August 2022.

A 19-year-old man, formerly of Northfield and accused of slaying his sister-in-law and two young nephews in 2022, pleaded ...