b'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\\xa0Schubert,\\xa0Sacramento Police Chief Daniel Hahn, DNA expert with\\xa0\\xa0Scales Biological Laboratory, Inc George Schiro, Joseph Scott\\xa0Morgan\\xa0\\xa0Forensics expert, Judge Ashley Wilcott\\xa0and reporter Dave Mack.'