John Wayne Gacy is the subject of another documentary, Conversations with a Killer: The John Wayne Gacy Tapes, now streaming on Netflix.

This time, his life and crimes are at the center of the second installment of true-crime director Joe Berlinger’s

Conversations With a Killer series, which features previously unheard audio interviews with the notorious serial killer.

Following the success of the first season, which was about Ted Bundy,

Berlinger explains to ET that when he started thinking about who could be next,

“Gacy came to the list, in part, because he’s naturally someone to talk about,” he says. “But also the tapes materialized.”

The director adds, “Sometimes projects find you. You don’t always find the project.”

Once in his possession, “I listened to them and it was like the Bundy tapes.

was just this fascinating insight into the mind of a serial killer,” he says.

“And Gacy has always fascinated me as much as Bundy.”

John Wayne Gacy Tapes