Fingerprints for identifying suspects is old news. Now the US Supreme Court says law enforcement can make databases that include DNA. Another advancing technology is raising familiar questions about the expectation of privacy. Thirty-seven states are putting drivers' license photographs into databases that use facial-recognition technology. That's according to a study by the Washington Post. We here more from reporter Craig Timberg and from Jay Stanley, senior policy analyst with the ACLU's Speech, Privacy and Technology Project.