Juvenile Arrested On Murder Charges In Northfield Triple Homicide

CONCORD, NH — An arrest has been made in the triple homicide case in Northfield from Aug. 3.

State officials said Thursday a juvenile had been charged with three counts of first-degree murder and one count of falsifying physical evidence. The child was charged under juvenile laws and the name, gender, and age of the child were not released.

The teenager was accused of shooting Kassandra Sweeney, 25, and her two sons, Benjamin Sweeney, 4, and Mason Sweeney, 1, on Wethersfield Drive in Northfield. All three died due to a single gunshot wound, according to autopsies.

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Police were sent to the home around 11:30 a.m. on Aug. 3 after a 911 call for service. When officers arrived, they found all three members of the Sweeney family dead inside the home.

State officials said Sean Sweeney, Kassandra Sweeney's husband and the father of the boys, had been very cooperative and helpful with investigators, and a state's victim-witness advocate was providing services to him and his family. A GoFundMe effort for the family has received more than $45,000 in donations from 715 people.

Investigators have searched two areas for evidence in the case — a wooded area near the home and the median along Interstate 93 between Concord and Tilton. No information about whether evidence had been found yet was released on Thursday

“Since the alleged perpetrator is a juvenile, the law precludes any further information from being released,” Michael Garrity, the communications director for the attorney general’s office, said.

Despite prior juveniles arrested on murder charges having their information publicized, Garrity pointed to NH RSA 169-B:36, I, which stated, “It shall be unlawful for any person to disclose court records or any part thereof to persons other than those persons entitled to access under RSA 169-B:35, except by court order. Any person who knowingly violates this provision shall be guilty of a misdemeanor.”

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