NORTH HAVERHILL — A 35-year-old New Hampshire man has been handed down multiple, consecutive prison sentences after pleading guilty to threatening to “shoot up” a Hanover restaurant.

He could be free by September, however, due to the amount of time he has already spent behind bars and providing he abides by the conditions of his release.

Jonathan Nolen, of Lebanon, was sentenced to three to six years in New Hampshire State Prison, all suspended for six years, after pleading guilty to a felony charge of attempted first-degree assault with a firearm in Grafton County Superior Court on March 24, according to court records.

Nolen was arrested and charged in July 2022 after police received an anonymous tip that he was threatening to “shoot up” a downtown Hanover restaurant and harm an individual with whom he has been in conflict, police said.

Nolen, who was found to be in possession of a loaded gun and hunting knife at the time police arrested him, was known by both Hanover and Lebanon police to suffer from mental health issues, police said.

In addition, Nolen also pleaded guilty to witness tampering, a felony, and misdemeanor charges of violating a protective order and committing an offense while on release, for which he received consecutive 12-month sentences in jail on each charge.

Less the time spent while he was held without bail in pretrial detention, Nolen has a total of about 164 days remaining to serve in jail, court records said.

Because his felony conviction involved a firearm, Nolen could face up to 20 years in prison if he violates the terms of his probation, which include mental health counseling, according to Grafton County Attorney Mar cie Hornick.