Netflix’s upcoming drama, Mindhunter is based the true story of two FBI agents in the late ‘70s who spoke to some of the most notorious imprisoned serial killers in order to understand how murders of that scale think and operate. Given the subject matter, it sounds like it should be a pretty dark show, but the new trailer looks surprisingly fun.

Granted, the David Fincher-produced series is still a far cry from a jovial workplace comedy, but the trailer, set to the tune of the Talking Head’s “Psycho Killer,” looks like an enjoyable watch. There are serial killers in the trailer, and we see what look like flashbacks to some of their crimes, but the bulk of the spot focuses on agents Holden Ford (Jonathan Groff) and Bill Tench (Holt McCallany). The pair, based on real-life agents John E. Douglas and Robert K. Ressler, are getting pushback from their bosses about their attempt to interview these killers.

The actual show will probably go to some dark places (the first trailer was much more ominous) but there’s clearly an interesting story about high-stakes and unusual office politics to be told here.

Mindhunter premieres on October 13 on Netflix.

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