Jean Casarez reports on a possible link between the murder of Morgan Harrington and the disappearance of Hannah Graham.
Jesse Matthew is accused of abduction with the intent to defile in the Hannah Graham case. CNN's Jean Casarez has more.
Authorities in Texas have arrested a suspect in connection with missing college student Hannah Graham. CNN's Jean Casarez reports.
The case of the disappearance of Hannah Graham is being linked to other open investigations. Jean Casarez reports.
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