The man who police believe was the last person to see missing UVA sophomore Hannah Graham is now behind bars. Investigators say the arrest of Jesse Matthew led to a "significant break" in the 2009 death of Virginia Tech student Morgan Harrington. She vanished after attending a Metallica concert on the UVA campus. Jean Casarez looks at what is being described as a "new forensic link" between the two cases.
The Hannah Graham case has brought new attention to other cases of missing young women. Randi Kaye looks at two who disappeared within 60 miles of each other.
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