Netflix's revelatory docuseries on Aaron Hernandez is a cautionary tale

It would be an understatement to say that executive producers Angus Wall and Geno McDermott had a lot ground to cover when focusing on Aaron Hernandez as the subject of Netflix's latest deep dive docuseries, Killer Inside: The Mind of Aaron Hernandez. 

Hernandez was not only a football prodigy drafted at age 20 into the New...