CHICAGO (WLS) -- A group of volunteers is diving into rivers and lakes across America, including in the Chicago area, to bring closure to families of the missing.

They're not police officers, detectives or crime scene investigators.

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But they're helping solve cases that have stumped law enforcement for months, years and even decades.

And they're making waves in the world of cold case discovery.

It was recently a sunny morning on a quiet stretch of the Chicago River as a small group of scuba divers launched their boat.

They call themselves the Chaos Divers: ordinary people with an extraordinary mission to bring the missing home and give families the answers they've been waiting for.

The team of volunteers travels thousands of mi

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