Troopers Arrest Man on Two Felonious Sexual Assault Charges in Coos County

October 9, 2025

By: Scanner Alerts Media Group

New Hampshire State Police say a 47-year-old man has been taken into custody after a criminal investigation into the sexual assault of a minor in Coos County. The case involves a victim who was known to the suspect.

According to authorities, Troopers assigned to the Troop F barracks arrested Eric Isaac, 47, of Hillsdale, New York, and Pittsfield, Massachusetts, on two charges of felonious sexual assault. The arrest occurred Thursday in Twin Mountain.

Isaac is being held at the Coos County House of Corrections pending an arraignment in Lancaster District Court scheduled for Friday, Oct. 10, 2025, at 2 p.m.

Anyone with information that may assist investigators is asked to contact Trooper Jacob Thomas or Detective Sergeant Sean Smarz at (603) 846-3333.

Credit: New Hampshire State Police