Report Reveals Illinois Loop Fire Was Arson

CHICAGO (CBS 2) CBS 2 has learned stunning new information in the deadly high-rise fire at the Cook County Building, including word that a building employee may be a target of investigators.

New details about the fire and how it was apparently set are disclosed in a summary CBS 2 obtained from Chicago's Office of Fire Investigation. Additionally, a man, who authorities consider a key suspect, has reportedly taken a lie detector test, which his attorney claims he passed.

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• Report Reveals Loop Fire Was Arson
• Gasoline Containers Found In IL Loop Building
• Additional Tapes From Illinois Loop Fire Released