On July 5, 2011, the12-member juryfiled into an Orlando courtroom to render their verdict against Anthony, who was on trial for first-degree murder in the death of her 2-year-old daughter,Caylee.

When the verdict was delivered,Anthony was acquittedof the most serious charges against her. She was only convicted of lying to the police. Two weeks later, she walked free from jail.

“That made me sick to my stomach,” says the juror, “watching her smirk as she walked free. And to know that I was partly responsible for that.”

Casey Anthony.

casey-anthony.jpeg

PEOPLE sat with the juror and watched the interview, which premieres Tuesday on Peacock’s new docuseries,Casey Anthony: Where The Truth Lies, which began streaming today. At several points, the juror asked to rewind the playback so that he could go over some of her claims.

When asked if she believes that Caylee drowned in the above-ground pool, Anthony said no. “There was no ladder…no way for her to shimmy up. There’s no way to explain that, unless [George] put her in the pool to cover up what he did.”

Her allegation stunned the juror, who has always believed that the pool was involved in Caylee’s death.

“The entire defense was that Caylee drowned in the pool, but now she’s saying that she didn’t drown in the pool,” the juror says. “So the entire defense was a lie. Either that, or she’s lying now. Who can tell for sure?”

Orange County Sheriff’s Office HO.

caylee-anthony.jpg

In the interview, Anthony makes yet another damning accusation against her father. “[When I was young], he’d put a pillow over my face and smother me to knock me out,” she says. “That happened several times. I’m sure there were times where I was incapacitated as a child where my body was limp and lifeless.”

The juror had PEOPLE replay that quote three times.

“That’s something that would’ve been mentioned in court if it were true,” he says. “Becausethatwould be a defense. But I don’t remember that coming up in court, which makes me feel like she came up with that after the fact. I don’t believe it.”

At another point, Anthony acknowledges that her fictitious “nanny,” Zenaida Fernandez Gonzalez, didn’t exist. During a police interview, Anthony alleged that the nanny had kidnapped Caylee.

Casey Anthony

“We knew that she was a figment of Casey’s imagination, but keep in mind that we never heard it from her own mouth that ‘Zany the Nanny’ was made up,” the jurors says. “She created an entire person to cover her tracks. Ridiculous.”

“I don’t know what I expected,” the juror adds. “I think I wanted answers that I’m never going to get. If I heard her talk during court, I would’ve convicted her. I really think so.”

Asked whether there was anything in the interview that changed his mind about Anthony, the juror thought for a moment. “No. This is classic Casey Anthony. She’s still lying after all these years. And once a liar, always a liar.”

Casey Anthony: Where The Truth Liesis now streaming on Peacock.

source: people.com