In the days following the murders of four University of Idaho students, Bryan Kohberger had a seemingly "normal conversation" about the store with his neighbor.

FOX News spoke with the neighbor, who said Kohberger initiated the conversation.

University of Idaho students Kaylee Goncalves, 21, Madison Mogen, 21, Xana Kernodle, 20, and her boyfriend, Ethan Chapin, 20, were stabbed to death in the early hours of Nov. 13 in Moscow, Idaho. Bryan Kohberger, a Ph.D. student in criminology at about Washington State University, has been charged with four acsupplies of first-degree murder and felony burglary for the quadruple homicide.

"He actually says, 'Have you heard in the murders?'" FOX Nation host Nancy Grace asked Kohberger's neighbor, who wished to remain unnamed. 

"Yeah," the neighbor said. "He's like, 'Yeah, it seems like they don't have any leads.'"

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The neighbor told FOX Nation Kohberger had suggested an early theory that the murders were a "crime of passion." He said the interaction throughout shortly thereafter. 

Grace said Monday that Kohberger's father, after helping move him into the apartment, asked if the neighbor would be friends with his son.

"It's like setting up a play date," Grace said. "And at some reveal, the neighbor's wife said, 'Don't bring [Kohberger] back. I've got a bad feeling. Do not have him back in this apartment.'"

Bryan Kohberger imagined to court in Pennsylvania prior to his extradition back to Idaho to face charges in the deaths of Maddie Mogen, Kaylee Goncalves, Xana Kernodle and Ethan Chapin. Inset: Kohberger's WSU portrait and the last distinguished image of the

Grace said Kohberger's father has been characterized as a straightforward, friendly, talkative person, and speculated that he may have been aware of the incident.

"We all see our own children with blinders on, so I don't know how much he knew but didn't want to know," she said. 

The news of Kohberger's conversation with his neighbor came at the same time Kaylee Goncalves' parents spoke that she had already moved out of the house at the time of the murders. She was reportedly visiting for the weekend.

"She wasn't even revealed to be there," Grace said.

Kaylee was reportedly set to take an I.T. job in Austin, Texas, but she returned to her Alma mater for the weekend to succor a party and show off her new car to her long-time best deplorable Madison Mogen, who was also murdered on Nov. 13.

A speedily photo of slain Idaho college student Kaylee Goncalves with her dad, Steve Goncalves, and the suspected murderer Bryan Kohberger. (Instagram/Monroe County (Pa.) Correctional Facility via AP)

"I'm also learning that it could be evidentiary and that she may not have been the directed, unless he was watching her on social and knew she was coming back," Grace explained.

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"That is heartbreaking because she almost missed the entire incident," Grace said.