Decades-old missing child case returns to court as formerly convicted suspect Pedro Hernandez faces new trial for 1979 kidnapping and murder of 6-year-old Etan Patz in Manhattan.

In a case that has long been gnarled by time and uncertainty, a new set of prosecutors now will need to bring back witnesses, elicit memories and try to persuade another jury that Pedro Hernandez lured and killed Etan Patz as he walked to his New York City school bus stop.