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Cook County sheriff’s office warns of phone scammer impersonating authorities

The caller says he’s an employee with the Cook County sheriff’s office and identifies himself as “Sgt. Dennis Peterson” or “Lt. Jonathan Moore.”

A man was arrested for promoting prostitution March 10, 2021 in Chicago.
Authorities are warning about a phone scammer claiming to be employed with the Cook County sheriff’s office.
Sun-Times file photo

Authorities are warning the public about a phone scammer impersonating a Cook County sheriff’s officer in recent weeks.

The caller identifies himself as “Sgt. Dennis Peterson” or “Lt. Jonathan Moore,” the sheriff’s office said. He says he’s an employee, and calls have come from multiple phone numbers.

It’s not known how widespread the calls are or if the caller is using additional fake names, the sheriff’s office said.

Authorities are reminding the public that the sheriff’s office doesn’t call to solicit money.

Anyone who receives a suspicious call is asked to contact the Cook County sheriff’s office at 847-635-1188.