An update on the Harmony Montgomery case is scheduled for Thursday, according to the New Hampshire attorney general's office.Attorney General John Formella and Manchester Police Chief Allen Aldenberg will deliver statements about the case at about 2 p.m. Thursday in Concord.They are not announcing what the update will be about.>> Timeline in the disappearance of 8-year-old Harmony Montgomery Officials say Harmony Montgomery, 8, was last seen in 2019. Police did not begin their search for her until December 2021. Watch a timeline of the investigation in the player below.