Robert Durst,” he could be heard in a bathroom muttering: "What the hell did I do? Killed them all, of course.”Durst, who had just been caught on video in a lie about a note directing police to Berman’s “cadaver,” explained that the mic hadn't captured his full thought.“What I did not say out loud or, perhaps I said very softly, is: ‘They’ll all think I killed them all, of course,'” he testified.Many viewers interpreted the remarks, which were edited together by the filmmakers for a dramatic