RANCHO CUCAMONGA (CBSLA.com)  —   Authorities are asking Rancho Cucamonga residents to be aware of a scam artist who is pretending to be a sheriff’s deputy.

On Saturday, deputies at the Rancho Cucamonga station received three separate reports from Rancho Cucamonga residents about a subject identifying himself as Sergeant David Parker of the Sheriff’s Department.

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“Parker” told each victim they had outstanding warrants for traffic violations and needed to pay a fine ranging from $400-$500. He told each person to go to a grocery store and purchase a card from a fund transfer website called Reloadit. Once they obtained the card, they were instructed to transfer the money to an account number he provided.

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None of the would-be victims followed through with the transfer request.

Officials want to remind the public that no member of law enforcement will ever call you and direct you to pay a fine over the phone.

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If you are contacted by anyone attempting to get you to transfer money, you are advised to hang up and report it to your local law enforcement agency immediately.