Police said at least three cars left idling by their owners were stolen before 9 a.m. Wednesday in various locations around the city, so officers attempted to use a "bait car," or "puffer," to draw out the thieves by leaving it running in areas of the northwest side where thefts of idling cars are common, The Denver Post reported Thursday.
However, the car, which police said was a popular brand for thefts, failed to get the attention of any would-be thieves.
Investigators said at least 188 idling cars were stolen in the city last year.
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