REVERE, MASS. (WHDH) - Authorities from both New Hampshire and Massachusetts fanned out at the Rumney Marsh Reservation in Revere near the Revere/Lynn line Friday as part of the investigation into the death of Harmony Montgomery.

The search had concluded as of 4 p.m. after roughly seven hours of activity in the area. There was no word as of Friday night whether investigators would be returning to the scene.

The New Hampshire Office of the Attorney General announced earlier in the day that personnel from both the Manchester Police Department and Massachusetts State Police were searching a location in Revere in connection with Montgomery’s murder after Montgomery’s 2019 disappearance became a homicide investigation last August.

Massachusetts State Police spokesperson David Procopio said the search in Revere began around 9 a.m., with a focus on the wetlands along Route 107. He added that the search had been “prompted by information developed by investigators.”

Sources told 7NEWS the search came after investigators received information that Montgomery’s remains might be at the marsh area. 

Harmony’s father, Adam Montgomery, who has ties to the Lynn/Revere area, is facing charges in connection with Harmony’s death.

Among accusations, a second degree murder indictment against Adam Montgomery accused him of recklessly striking Harmony in the head with a closed fist.

5-year-old Harmony from Manchester, New Hampshire was first reported missing by her biological mother in 2021. Prosecutors have since said Adam purposely attempted to urge Harmony’s stepmother, Kayla, to falsely testify while investigators were trying to locate Harmony. 

Previously, police detectives have returned to places Harmony had lived, digging up yards and removing furniture, including a refrigerator at one residence. Despite not finding a body, police announced over the summer in 2022 that they believed the girl had been murdered.

Investigators last fall said that Adam Montgomery allegedly destroyed his daughter’s body between December 2019 and March 2020.

The AG’s office has stated that police are still looking for the public’s assistance in locating Harmony’s remains. Anyone with information is asked to call or text a 24-hour tip line dedicated to the Harmony Montgomery case at 603-203-6060.

Adam Montgomery’s trial is set to begin this summer.

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