Robert Foster Nevius, 91, was found murdered in his own home. Nevius, known as 'Foster', was a WWII veteran, who survived the allied invasion of Normandy.
Sources say it was his wife, Janet who called 911 from the couple's Manhattan apartment after she had been unable to reach him on Thursday morning.
Officers from the Essex Fells Police Department arrived to investigate and discovered the body.
It is not immediately clear whether the victim was a random target, or whether he was murdered by someone he knew.
The prosecutor's office says there does not appear to be any forced entry. Nevius was home alone at the time, officials said. They want people in the area to be vigilant and if they see anything suspicious to call Essex Fells Police.
How the victim died has not been released. An autopsy was scheduled.
Nevius is survived by his wife and two daughters.