State Trooper who killed gunman at NH Hospital named

State Police closed access to the grounds of New Hampshire Hospital on Nov. 17 after a fatal shooting.

State Police closed access to the grounds of New Hampshire Hospital on Nov. 17 after a fatal shooting. GEOFF FORESTER / Monitor staff

Police stand at the entrance to New Hampshire Hospital, Friday, Nov. 17, 2023, in Concord, N.H. A fatal shooting at the New Hampshire psychiatric hospital Friday ended with the suspect dead, police said. New Hampshire Hospital is the state psychiatric hospital, located in the state’s capital city. (AP Photo/Michael Dwyer)

Police stand at the entrance to New Hampshire Hospital, Friday, Nov. 17, 2023, in Concord, N.H. A fatal shooting at the New Hampshire psychiatric hospital Friday ended with the suspect dead, police said. New Hampshire Hospital is the state psychiatric hospital, located in the state’s capital city. (AP Photo/Michael Dwyer) Michael Dwyer

By Monitor staff

Published: 11-30-2023 6:29 PM

The New Hampshire State Trooper who shot and killed John Madore at New Hampshire Hospital three weeks ago was Nathan Sleight, who has approximately 11 years of law enforcement experience.

Madore shot and killed security guard Bradley Haas, who was working at the front door of the state’s secure psychiatric unit on Nov. 17. Sleight was stationed at the hospital campus and shot Madore, police said.

New Hampshire Attorney General John M. Formella announced Sleight’s identity Thursday.

“While the Office will follow its normal protocol for officer-involved uses of deadly force and conduct a complete investigation, the evidence gathered and reviewed to date indicates that Trooper Sleight’s actions were legally justified,” Formella said in a statement.

Sleight’s quick action “very likely prevented further injuries or loss of life,” Formella said.

“I am extremely proud of the trooper’s actions that without a doubt prevented additional loss of life,” Col. Mark Hall, director of the State Police, said at a press conference on Nov. 18, the day after the shooting.

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A final report on the shooting will be released once the investigation is completed.