Episode 5. This is the penultimate installment of this nonfiction series – a series that is merely the latest example of why HBO Documentary czar Sheila Nevins is one of television’s most influential and impressive network executives. Her slate of original and acquired documentaries over the decades is astounding – but the ones she’s brought to HBO this year and last count among the very best. And with The Jinx, we indeed have the TV counterpart to public radio’s Serial – a mystery that gets more captivating, and complicated, the more it unravels.