Mindhunter Season 3 might up its game, according to series star Holt McCallany — if the Netflix series actually gets renewed. The second season of the acclaimed crime drama from the mind of David Fincher recently arrived on Netflix on August 16. Offering up conversations with a new batch of serial killers (hello, Charles Manson), a closer look at the Atlanta Child Murders from the early '80s, and continuing to develop the arcs for main characters Holden Ford (Jonathan Groff), Bill Tench (McCallany), and Dr. Wendy Carr (Anna Torv), Mindhunter season 2 expanded its scope big time. [caption id="attachment_792183" align="…