CHICAGO (CBS) — The death of a homeless woman outside a church in north suburban Evanston has been ruled a homicide, but authorities have not yet released the victim’s name.

The 49-year-old woman was found dead just before noon Monday in an alcove at First United Methodist Church, on the 1600 block of Hinman Avenue.

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An autopsy by the Cook County Medical Examiner’s office determined she died of blunt force trauma to the head, and her death was ruled a homicide. Her name has not been released, pending notification of her family, but police confirmed she is homeless.

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Evanston police said the investigation so far indicates the woman’s death was an isolated incident, not a random act.

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No one was in custody Wednesday morning.