LAWRENCE (CBS) – Two Lawrence police officers found some unwanted guests in their cruisers recently.

The cars turned out to be infested with cockroaches.

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Lawrence police Chief John Romero says the cars were taken off the road for a couple days so they could be fumigated. They are now back on the road. But he admits it’s the first time he’s ever had to de-roach a police cruiser.

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WBZ NewsRadio 1030’s Kim Tunnicliffe reports

Chief Romero says he has no idea where the roaches may have come from.

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“We transport people all the time,” he said. “We have no clear way of knowing how it happened, but it happened.