Synopsis

A significant development in the Long Island Serial Killer case emerged this week with the confirmation that remains believed to be those of 23-year-old Shannan Gilbert have been found. The eighteen-month search for the missing woman from New Jersey concluded on Saturday, December 17, 2011, when police in Long Island, New York, positively identified the remains as Gilbert's. As "48 Hours Mystery" correspondent Erin Moriarty reports, the search for Gilbert has unveiled a more complex and unsettli