Investigator

These packages all came from Greenville or Tennessee. And so we knew the person who sent them out or who put them in the mailbox and prepared them had to be living in the Greenville area. John Mello was in Italy.

There was no evidence that suggested that Christina was a prostitute or drug dealer or escort.

There was no evidence that suggested that Christina was a prostitute or drug dealer or escort.

We still were looking at Mr. Mello and people that he knew. But we did know that he's not the person that walked in the front door and killed Christina.

We still were looking at Mr. Mello and people that he knew. But we did know that he's not the person that walked in the front door and killed Christina.

Rarely do you ever get to see the bad guy walk through the front door before he engages in a horrific murder.

Rarely do you ever get to see the bad guy walk through the front door before he engages in a horrific murder.

Bradley Post was extremely cooperative. And when was the last time you just spoke with her? Oh, that'll tell you exactly. He said that he spoke with Christina that morning.

Bradley Post was extremely cooperative. And when was the last time you just spoke with her? Oh, that'll tell you exactly. He said that he spoke with Christina that morning.

They texted, and then he attempted to call her with no answer, which is the reason that he came to the house. And by looking at his phone, as well as Christina's phone, we were able to confirm that he was, in fact, telling the truth. Because normally when she leaves somewhere, she'll send me a text or something on my way back, and I didn't hear from her.

They texted, and then he attempted to call her with no answer, which is the reason that he came to the house. And by looking at his phone, as well as Christina's phone, we were able to confirm that he was, in fact, telling the truth. Because normally when she leaves somewhere, she'll send me a text or something on my way back, and I didn't hear from her.

In addition, the way that he was dressed and the way he appeared, in pristine condition, freshly showered, in a sports coat, a white shirt, slacks. Not somebody that had just committed a horrific murder.

In addition, the way that he was dressed and the way he appeared, in pristine condition, freshly showered, in a sports coat, a white shirt, slacks. Not somebody that had just committed a horrific murder.

Well, the first camera was actually right here behind you. There was a ring doorbell camera.

Well, the first camera was actually right here behind you. There was a ring doorbell camera.

So that camera, it shows a person walking up the steps and going into the house.

So that camera, it shows a person walking up the steps and going into the house.

We were extremely lucky. The ring camera across the street was highly sensitive to cars driving by. And a white Ford Explorer drove by at the exact moment that the individual was walking up the stairs and through the front door of the house at exactly 9.15.

We were extremely lucky. The ring camera across the street was highly sensitive to cars driving by. And a white Ford Explorer drove by at the exact moment that the individual was walking up the stairs and through the front door of the house at exactly 9.15.

That's right. We were able to enhance the video. You can actually see the gray sweatshirt, the black pants, the build of the individual, an individual walking up through the front door, getting ready to commit a horrific murder.