Three brutal rapes go unpunished for more than 20 years. But now using investigative genetic geneaology, police finds the rapist living across the country in Georgia. The suspect is a retired federal corrections officer. Joining Nancy Grace to talk about the case: Sacramento DA Anne Marie Schubert, Sacramento Police Chief Daniel Hahn, DNA expert with  Scales Biological Laboratory, Inc George Schiro, Joseph Scott Morgan  Forensics expert, Judge Ashley Wilcott and reporter Dave Mack.