(CBS DETROIT) – Authorities are investigating after a man was found dead outside of a Family Dollar store in Pontiac.

The Oakland County Sheriff’s Department says a 39-year-old man was found passed out inside of a car by a bystander in the Family Dollar parking lot, located in the 700 block of Baldwin Road.

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It happened around 12:30 p.m. Wednesday, where the bystander told 911 dispatchers the man was turning blue and did not appear to be breathing.

First responders attempted CPR, but he was pronounced dead at the scene.

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Authorities say during their search of the vehicle there were no signs of substance abuse or trauma.

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