Robert Durst holed up while on the run from New York authorities.“He killed his wife and then he had to keep killing to cover it up,” Lewin said.Lewin, who met with jurors after the verdict, said they believed prosecutors proved Durst killed Kathie Durst and murdered Berman and Black.The defense said they believed there was “substantial reasonable doubt” and were disappointed in the verdict, attorney David Chesnoff said.