DNA links Graham case to another

STORY HIGHLIGHTS

(CNN) -- [Breaking news update, posted at 9:32 a.m. ET Tuesday]

DNA evidence links Jesse Matthew, a suspect in this month's disappearance of University of Virginia student Hannah Graham, to the death of Virginia Tech student Morgan Harrington, who disappeared in 2009, a law enforcement source told CNN on Monday.

Earlier, Virginia State Police said the two cases were connected by a "forensic link" but did not elaborate.

[Earlier version, posted at 7:39 p.m. ET Monday]

Can arrest in Hannah Graham disappearance solve other cases?

(CNN) -- The arrest of Jesse Matthew -- the suspect in the disappearance of University of Virginia student Hannah Graham -- has resulted in a "significant break" in the 2009 death of another young woman in the same area, police said.

Virginia State Police say there is a "new forensic link" between the Hannah Graham case and the death of Morgan Harrington, a 20-year-old Virginia Tech student, who went missing after attending a Metallica concert in Charlottesville in October 2009. Her remains were found on a farm months later.

Virginia Tech student Morgan Harrington, 20, was murdered after leaving a Metallica concert in Charlottesville, Virginia, in October 2009.

Almost from the start, speculation was raised about the possibility of a connection between Graham's disappearance and Harrington's death.

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DNA links Graham case to another