A U.S. Army reservist suspected of killing at least 18 people in Maine had been taken by police for an evaluation after military officials became concerned he was acting erratically at a New York facility in mid-July.

Col. Richard Goldenberg, of the New York Army National Guard, has confirmed to News 12 that that Robert Card was staying at Camp Smith in Cortlandt Manor, with his unit, while they were training at West Point.

It was in the barracks at Camp Smith, that he began acting erratically and was taken by State police to Keller Army Community Hospital at West Point. The incident happened in mid July and Card was brought to the hospital for evaluation because officials were concerned about his safety, according to a U.S. official.

He spent two weeks at the facility.

A West Point academy official said Card was not assigned to West Point as any sort of instructor. The official added that while his unit supported West Point summer training, their records show he did not instruct nor interact with any cadets in training.

Authorities are looking for card in connection with shooting rampages at a bar and a bowling alley in Lewiston Maine on Wednesday.

Law enforcement was still scouring parts of Maine for card as of Thursday evening who they consider armed and dangerous.