What does the future hold for our criminal justice system's efforts to capture criminals? Many thought that DNA was the ultimate answer, but most crimes don't involve DNA evidence. Remember that once upon a time, society thought that the fingerprint was the magic key, What is next? How do we maintain the balance between effective detection techniques, which require some intrusion into our private lives, and the protection of our civil liberties? Please discuss your thoughts on the subject, as well as, give documented examples.