On February 13, 2009 Amber Dubois disappeared just blocks from Escondido High School in Southern California. Almost a year later, another teenage girl, Chelsea King, went missing. Chelsea had been running just ten miles from where Amber disappeared. Police found Chelsea’s underwear with DNA evidence that would lead them to the arrest of convicted sex offender, John Gardner, who was out on parole. “48 Hours" correspondent Troy Roberts reports. This classic "48 Hours" episode last aired on 11/6/2010. Watch all-new episodes of “48 Hours” on Saturdays, and stream on demand on Paramount+.

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