Are cops close to finding the Long Island Serial Killer?

The search for the Long Island Serial Killer, who investigators believe killed 10 people and left their bodies along a beach highway starting in 2010, is heating up. Nancy Grace assembled an all-star panel of experts on the case, including Robert Kolker, author of the New York Times bestselling book Lost Girls: An Unsolved American Murder Mystery. Nancy's guests also include criminal profiler Pat Brown, Cold Case Research Institute director Sheryl McCollum, and CrimeOnline.com reporter Ellen Killoran.