The first trailer for Zac Efron’s new film, Extremely Wicked, Shockingly Evil and Vile, has arrived — and the reactions have been a slew of mixed emotions from fans.

The film, which is premiering at this year’s Sundance Film Festival, will feature Zac as Ted Bundy, one of the most infamous serial killers in the United States who was responsible for the deaths and sexual assaults of more than 30 women. Bundy was executed in Florida in 1989 following his trial.

In the one-and-a-half-minute trailer, viewers are shown snippets of Bundy’s arrest, court appearances, and time in prison, seemingly through the lens of his relationship with his girlfriend, Liz Kendall (portrayed by Lily Collins).