- Approval of God: In a way... after the trailer was criticized by some for perceived glorification of Bundy, Kathy Kleiner Rubin, a survivor of Bundy said she didn't have a problem with how the movie portrayed him.
- In Memoriam: The movie ends with the names of Bundy's victims.
- Playing Against Type:
- While Zac Efron and Jim Parsons had done dramatic work before, this is easily the most serious mainstream movie either have been in.
- Director Joe Berlinger is most well known as a documentarian (albiet of True Crime subjects), and this is his first dramatic feature since Book of Shadows: Blair Witch 2
Trivia / Extremely Wicked, Shockingly Evil, and Vile