CHICAGO (CBS) — A man was found dead of a gunshot in a parked car Thursday in an alley near 99th and State streets.

Around 12:15 p.m., a neighbor noticed that a vehicle had been parked since the early-morning hours in his alley in the 9900 block of South State Street, on the cusp of the Fernwood and Roseland neighborhoods.

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The neighbor went out and investigated himself, and found a man dead in the car with a gunshot wound to the back of his head, police said.

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There was no information late Thursday about who shot the man.

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Area South detectives are investigating.