LOUISVILLE, Ky. (WDRB) -- The 2010 murder of Jamie Carroll sparked national interest after his body was found stuffed in a plastic container in the basement of a home in Old Louisville.

Author David Domine wrote a book about Carroll's murder and the separate trials for Jeffrey Mundt and Joseph Banis.

Following the publication of his book "A Dark Room in Glitter Ball City," Domine consulted with HBO on an upcoming documentary about the case.

Although Domine sat through both trials, he said producers of the documentary had access to court documents that he didn't have, and goes beyond where the book leaves off.

Argument prompts police response

Banis and Mundt were a couple. Mundt owned the home in Old Louisville. In 2010, an argument between the two led to police being called.

Police later discovered Carroll's body stuffed in a plastic container and buried in the basement.

Jeffrey Mundt and Joseph Banis in court

Jeffrey Mundt and Joseph Banis went to trial in the 2010 murder of Jamie Carroll in old Louisville.

Both Banis and Mundt were charged with murder. Banis was convicted of Carroll's murder and Mundt was convicted of lesser charges.

Questions that linger

Domine said even with all his research and following the case, even he still has unanswered questions.

In some ways, the documentary will fill in blank spaces. But in other ways, Domine said it adds to the mystery.

"No one's quite sure what provoked that fight," he said. "Was it because Jeffrey, as he claimed, was going to go to the police and tell them about the body that was in the basement for a number of months, or had Joey done something? Some said he just went crazy and wanted to kill Jeffrey. That's kind of a mystery. What provoked the fight that night?"

Although Banis was the only one of the two convicted of Carroll's murder, Domine said some people still speculate about whether Mundt could have killed him.

"Then the other thing was who really killed Jamie Carroll," Domine said. "The prosecution argued that they both colluded, they were both equally culpable, they both killed Jamie and they both hid his body and all the things that followed. But some people think Joey was the more active one and Jeffrey was just kind of swept up into that and kind of had to go along with it because he was afraid.

"Some think, 'No, Jeffrey was the mastermind behind the murder. Joey was actually the one who was more innocent, but Jeffrey kind of coerced him into killing someone.' So, that's another thing. Even though the verdicts indicate that Joey was the one that did the killing. Jeffrey was acquitted of the murder charges. According to our legal system, Joey was the one that did the murder, not Jeffrey, but a lot of people, they don't know if that's the correct verdict."

HBO's "Murder in Glitter Ball City" airs Feb. 19. 

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