Retired Sgt. Louie Schlifstein served in the NYPD from 1941-1961.
The NYPD said after his retirement, Schlifstein became a mentor to generations of officers.
"'Uncle Louie' continues to secure a special place in the hearts of so many of our officers," the NYPD said on their Twitter account.
Thank you for your service, Sgt. Schlifstein, you will be missed!
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