Facial Recognition - Fighting Crime?

Facial recognition technology is at the cutting edge of fighting crime in the United States. Police forces across the country can upload your image and search databases containing millions of photos scoured from the internet. Whether you have uploaded the photo yourself, or someone else has without your knowledge, you can be identified and tracked down. James Clayton investigates the accuracy of this controversial technology and asks whether it is invading your privacy and should be a part of law and order in America.