Anastasia Nicolazzi

But according to Jamie Curd, his job was not done.

But according to Jamie Curd, his job was not done.

The details of the crime are incredibly brutal and mind-boggling. And with this much detail, Curd's story was also pretty convincing. But of course, investigators would want more proof, need more proof that Curd was telling the truth and not just pinning these murders on someone else. And they were actually able to do this in a pretty convincing way.

The details of the crime are incredibly brutal and mind-boggling. And with this much detail, Curd's story was also pretty convincing. But of course, investigators would want more proof, need more proof that Curd was telling the truth and not just pinning these murders on someone else. And they were actually able to do this in a pretty convincing way.

And Potter had no idea that their call was being recorded by police.

And Potter had no idea that their call was being recorded by police.

It's hard to fathom how someone could be capable of this kind of violence or what motive could have driven them to it, but police and prosecutors in Johnson County would have to try.

It's hard to fathom how someone could be capable of this kind of violence or what motive could have driven them to it, but police and prosecutors in Johnson County would have to try.

Marvin Potter's immense weapon collection included handguns, long-barreled rifles, assault weapons, and lots and lots of knives. A frightening but promising lead. Law enforcement hoped that somewhere in that house was the weapon that killed Billy and Billie Jean.

Marvin Potter's immense weapon collection included handguns, long-barreled rifles, assault weapons, and lots and lots of knives. A frightening but promising lead. Law enforcement hoped that somewhere in that house was the weapon that killed Billy and Billie Jean.

They need to die. Were these idle threats or promises to keep?

They need to die. Were these idle threats or promises to keep?

But it was the back of the truck that contained the real treasure trove of evidence.

But it was the back of the truck that contained the real treasure trove of evidence.

What was most intriguing to police was that many of these emails describing the alleged threats against Janelle were coming from a person named Chris. And Chris seemed to know an awful lot about the Potter-Hayworth feud that was roiling Mountain City.

What was most intriguing to police was that many of these emails describing the alleged threats against Janelle were coming from a person named Chris. And Chris seemed to know an awful lot about the Potter-Hayworth feud that was roiling Mountain City.

And like any good secret agent, Chris had access to all sorts of information.

And like any good secret agent, Chris had access to all sorts of information.

The paper trail of evidence that law enforcement was able to piece together showed how Barbara and Janelle Potter bombarded Marvin with the threatening emails, Facebook posts, and supposed intel about threats to Janelle's life until eventually he decided it was up to him to do something about it.

The paper trail of evidence that law enforcement was able to piece together showed how Barbara and Janelle Potter bombarded Marvin with the threatening emails, Facebook posts, and supposed intel about threats to Janelle's life until eventually he decided it was up to him to do something about it.