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Tinley Park police are investigating a string of recent nighttime house burglaries that occurred while residents were home.

In one instance, a burglar managed to take keys from a purse inside one home and steal an unlocked car, all while the homeowner was inside the house, police said.

No one was injured and no one saw a suspect in all three cases, which happened this month, according to Tinley Park police.

On Aug. 12, someone entered an unlocked car in the 6800 block of Zurich Lane and used the garage door opener to gain access to the home while the homeowner was inside, according to police. The burglar then used the keys from the purse to drive off with the car, which was recovered in Chicago.

A suspected entered two homes on Aug. 22 in the 16100 block of Eagle Ridge Drive, according to police. One house was unlocked, while the burglar broke into the second home. A purse was taken in one of the burglaries.

Police are reminding residents to lock their cars and houses and to report any suspicious activity to 911.

Nick Swedberg is a freelance reporter for the Daily Southtown.