CHARLOTTESVILLE, Va. (CBS19 NEWS) -- There are more than 500 cold cases in Virginia, for missing and murdered people.

That’s according to “Uncovered,” an organization trying to find answers for victims and their families.

The organization uses what it calls “digital volunteers” and “citizen solvers” to try and find answers and reduce the burden for law enforcement.

Organizers say DNA advances and people coming forward with tips years later are helping to crack cold cases.

They say citizen detectives are trying to solve nine cases just in the Charlottesville area, including the murder of Dashad “Sage” Smith, a transgender teen who disappeared in 2012.

“I would encourage people to really familiarize themselves with the case and then I would ask them to look at those key dates and see if they happen to recall anything from that time,” said Rachel Downey, with Uncovered.

Details on other cases “Uncovered” is working on can be found here.