UPDATED 11/10/10 2:32 p.m.

CHICAGO (STMW) – A man who was found dead in the hallway of a West Side building Wednesday morning died of a gunshot wound to the head and his death was ruled a homicide, an autopsy has determined.

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At 5:02 a.m. a body which had “visible trauma’’ was found in a hallway of a structure in the 5200 block of West Lake Street, according to police News Affairs Officer Robert Perez. The man’s body was found at 5237 W. Lake St., according to a spokesman for the Cook County Medical Examiner’s office.

Police were looking at the man’s death as a murder but they were not immediately able to determine if he had been “bludgeoned or beaten to death or shot,’’ Perez said.

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The man was identified as Alfred Reese, 54, of 1616 W. Madison St., according to the medical examiner’s office. An autopsy later Wednesday found that Reese died of a gunshot wound to the head and his death was ruled a homicide.

Grand Central Area detectives are investigating

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(Source: Sun-Times Media Wire © Chicago Sun-Times 2010. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)