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A GPS installed in a suspect's car helped police find abducted victim Carlesha Freeland-Gaither. Alexandra Field reports.
Sources tell journalist Coy Barefoot that searchers looking for Hannah Graham will dig at a spot flagged by search dogs.
Monday marks one month since the day that UVA student Hannah Graham was last seen near Charlottesville, Virginia.
Brianna Keilar walks through several cases possibly tied to the UVA suspect with Tom Fuentes and Coy Barefoot.
Va. authorities will test the DNA of the suspect in the Hannah Graham case to see if he's connected to a 2013 murder.
Police say Jesse Matthew was the last person to seen with UVA student Hannah Graham before she disappeared.