CONCORD, N.H. (AP) — Police searched a marshy area in Massachusetts on Friday as part of their investigation into the 2019 disappearance of a 5-year-old New Hampshire girl, who is presumed dead.

Harmony Montgomery (Manchester Police Dept.)
The search was in Revere, Massachusetts, as part of the investigation in the Harmony Montgomery case, according to the New Hampshire Attorney General John Formella and Manchester Police Chief Allen Aldenberg. They declined to give any further information.
But the Massachusetts State Police said 18 troopers, along with K-9 and drone units, were used to search wetlands along Route 107 in Revere, just north of Boston. The search started shortly after 9 a.m., state police said.
WATCH: Harmony Montgomery’s Dad Charged in 5-Year-Old’s Death
The search concluded at about 4 p.m., state police said in an update, and no further information was released.
Harmony’s body has not been found. Her father, Adam Montgomery, has been charged with second-degree murder in connection with her death, as well as falsifying physical evidence and abuse of a corpse. He pleaded not guilty.

FILE — A man walks past a “missing child” poster for Harmony Montgomery, Thursday, May 5, 2022, in Manchester, N.H. A former home of the father and stepmother of Montgomery, missing since 2019 at age 5, is being searched in Manchester as part of the investigation into her disappearance, police said Tuesday, June 14, 2022. (AP Photo/Charles Krupa, File)
“Officials caution against any speculation related to the potential results of this search,” the New Hampshire news release said.
Authorities didn’t know Harmony was missing until November 2021. In August 2022, police announced that they believed she was killed in Manchester in early December 2019.
Adam Montgomery was arrested in October 2022.