(CNN) Another victim of the September 11th attacks in New York has been identified, according to the New York City Office of Chief Medical Examiner.

The man's identity is being withheld at the request of his family. He is the 1,645th person identified in ongoing efforts to identify all 2,753 people reported missing in the attack at the World Trade Center in Lower Manhattan.

According to the a news release from the medical examiner's office, 1,108 people, or 40% of those who died, remain unidentified.

His identity was confirmed through DNA testing of remains recovered in 2001. This discovery is the third new identification of a 9/11 victim in 2019.

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