Day 6

More charges ahead for Robert Durst?

Matt Birkbeck, author of "A Deadly Secret", on the arrest of Robert Durst and the possibility of further charges.

Real estate heir Robert Durst appears in a New York criminal courtroom on December 10, 2014, for his trial on charges of trespassing on property owned by his estranged family. (REUTERS/Mike Segar)

When multimillionaire Robert Durst was arrested last Sunday, he had $40,000 in cash, a gun, and a latex mask. A police search of his apartment turned up books about his alleged crimes - including "A Deadly Secret" by Matthew Birkbeck. Birkbeck began reporting on the case over a decade ago - and he was the first to raise the possibility of a connection between Robert Durst and other disappearances. Matt Birkbeck discusses the potential for further investigations into other crimes, and the impact of the HBO documentary The Jinx