account, he notes a visit to garberville, 600 miles from los angeles. after that, we can't follow his trail. we do know that late on december 22nd or early the 23rd, susan berman was murdered by a bullet to the back of her head at her home in l.a. and on the 23rd, flight records confirm bob took off from san francisco on the red eye to new york. and soon after, this letter postmarked december 23rd, showed up at the beverly hills pd. >> i call it the cadaver note. >> reporter: ah yes. the famous note directing police to her body. a note, likely written by her killer. word of susan berman's murder traveled fast. >> it was like, "oh my god." i mean, and i -- my first thought was, "why didn't they listen to me?" they did not interview susan berman in a timely manner. what were they waiting for? godot? >> reporter: bob skipped susan