Cook County Crime Stoppers is offering up to $10,000 to help solve the murder of a well-known boat captain at DuSable Harbor late last month.
Nabil “Captain Bill” Adzal, 63, of Plainfield, was pulled from Lake Michigan in the early morning hours of August 30 after multiple people called 911 to report a man had fallen off the harbor’s “C” Dock, according to dispatch records.
Responders arrived just after 3 a.m. and Chicago Fire Department divers found him about 15 minutes later. He was rushed to Northwestern Memorial Hospital, where doctors pronounced him dead.

The next day, the Cook County Medical Examiner’s Office ruled his death a homicide caused by drowning. That determination shifted the case to a criminal investigation.
Adzal, who was widely known in Chicago’s boating community as “Captain Bill,” was seen on surveillance video interacting with a small group of men shortly before he ended up in the water, according to reports.
Crime Stoppers is now offering up to $10,000 for information that leads to an arrest or indictment in the case. Tips can be submitted anonymously by calling 1-800-535-STOP or emailing [email protected]. Anonymous tipsters will be given a code number to claim the reward if their information proves valuable.
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