Season 2 continues to draw from the book, and focuses on the Atlanta Child Murders while continuing to follow the story that haunted Douglas' career - the BTK killer. Meanwhile, it expands on the characters' personal stories (which are largely fictionalized), all the while maintaining the mood and cool craftsmanship of the first season.
A big part of Mindhunter's continued success is executive producer and director David Fincher. Fincher is so damn good at telling these kinds of stories! Mindhunter is less Se7en and more Zodiac, but it's pure Fincher. He is a master craftsman, and even when he isn't directing an episode, his touch is all over this series.
I want to keep this review largely spoiler free, so suffice to say this season's standout moments are the investigation into the Atlanta Child Murders, an interview with Charles Manson (brilliantly played by Damon Harriman, who was also Manson in Once Upon a Time in Hollywood), and the unravelling of Tench's home life in the wake of an upsetting discovery involving his son.
This is brilliant and compelling TV and, although not an action show, it moves at a rapid pace and is never, ever boring. If you like dark, smart television, this is the show for you. A Good! Just be warned: there are no happy endings.