in this episode 4, the narrator (sarah koenig) analyzes jay’s various versions of the central story, which is what the state uses to prosecute adnan. sarah says that some of the discrepancies “seem small to me and understandable, but some are significant and confounding. that distance between where a certain detail starts and where it ends up —how far it slides and why it slides. i've spent untold hours trying to measure that distance—trying to weigh it for clues as to what might actually be true.”