(CNN) — Former New York police commissioner Bernard Kerik has died at the age of 69, according to a source close to Kerik.

FBI Director Kash Patel remembered Kerik in a Thursday evening post on X .

“Today, we mourn the loss of Bernard B. Kerik, a warrior, a patriot, and one of the most courageous public servants this country has ever known. Bernie passed away tragically on May 29, 2025, after a private battle with illness,” Patel wrote.

Kerik, a Trump ally who once served three years in federal prison for charges including tax fraud and lying to officials, was pardoned by President Donald Trump in 2020 .

Kerik teamed up with former New York City mayor and former Trump lawyer Rudy Giuliani in the weeks after the 2020 presidential election to search for evidence of voter fraud.

An

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