MANCHESTER, N.H. (WHDH) - Police returned to a Manchester, New Hampshire house Saturday where 7-year-old Harmony Montgomery was last seen in 2019 and concluded their search Monday afternoon.

Law enforcement members brought new equipment to the home on Gilford Street, including a ground heater. Dozens of investigators could be seen digging in the yard for hours.

They have not said whether anything was found during their search. Though police were called to this home more than a dozen times between June and December of 2019 when Harmony was said to live there.

Some of the police reports obtained by 7NEWS, detail domestic violence incidents between her biological father, Adam Montgomery, and her stepmother, Kayla Montgomery.

Another report says a neighbor called the police in August of 2019 concerned about young children living in the home. The report says the neighbor “thinks the parents are squatting there and have no electricity, just a small generator, and there is trash everywhere.”

The report indicates that police had assisted the Department of Children Youth and Families on a previous check of the home and that it was determined the children were healthy.

In September, police were called to the home for a disturbance between Harmony’s father and other family members. That report says when police got inside, an officer “observed clutter in every room consisting of clothing and empty food containers.”

But the report says “All three children appeared to be clean and fed.” The case was sent to DCYF for review.

Harmony’s biological mother, Crystal Sorey, called the police in November and said she had been trying to find her daughter for months. Newly-obtained E-mails show she also contacted the mayor of manchester in December and January saying, “police had finally gotten back to me after a year & half of reports to DCYF & filing a missing persons with them… DCYF failed my child 100 percent & everyone in our family will vouch for that.”

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Adam Montgomery, had custody of her at the time of her disappearance, and last week he was arrested on charges of assault, endangering the welfare of a child, and interfering with custody.

Kayla Montgomery is also facing a welfare fraud charge for allegedly receiving Harmony’s food stamp benefits after she disappeared.

Business groups and other organizations have offered nearly $100,000 in reward money for any information leading to Harmony being found.

Anyone with information regarding Harmony is asked to call the Manchester police’s dedicated tip line at 603-203-6060.

(Copyright (c) 2022 Sunbeam Television. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)

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