Elusive murder suspect falls victim to detectives' chewing gum sting

A detective from Everett, Washington, linked two cold case killings to a known predator. Needing fresh DNA to charge him, she helped devise a clever undercover sting using chewing gum to crack the case.

A detective from Everett, Washington, linked two cold case killings to a known predator. Needing fresh DNA to charge him, she helped devise a clever undercover sting using chewing gum to crack the case.