(CBS) — A string of more than a dozen mail robberies have hit the South Side in the past month.

The U.S. Postal Inspection Service is offering a reward of up to $10,000 for information leading to the arrest and conviction of those involved in 14 postal vehicle break-ins from
July 1 to Aug. 3.

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The break-ins occurred in the Ashburn, Englewood, Ogden Park and Roseland neighborhoods. The offenders have stolen mail from the vehicles.

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Postal customers in those neighborhoods who were expecting checks or credit cards in the mail should call the Postal Inspection Service at 1-877-876-2455.

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If you have any information about these incidents, please contact: U.S. Postal Inspection Service at 1-877-876-2455 (say “Law Enforcement”)