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How chewing gum helped crack a cold case
4M
A detective devised an unusual plan to catch a killer: using chewing gum to secretly collect his DNA. Peter Van Sant reports on the undercover oper...
Streaming Weekdays
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How chewing gum helped crack a cold case
4M
A detective devised an unusual plan to catch a killer: using chewing gum to secretly collect his DNA. Peter Van Sant reports on the undercover oper...
Streaming Weekdays