Investigators tell Nikki that they need a search warrant for the phone records to finalize the case.

Investigators question Nikki about how the killers may have known John.

Investigators explain to Nikki why she is being put under arrest for murder.

Nikki's spiral out of control puts her kids in danger and forces John to confront her.

After questioning the two suspects, the police begin to question if Nikki had any involvement in the murder of her husband.

After Nikki makes a phone call to mother, the police get their biggest lead in the investigation.

A witness was able to write down the license plate number, but we the men in the car the masterminds behind it all?

Christie's sister, Alexandria Pike, talks about the day she found out Krista was murdered.

Brittany's Defense Attorney, Steve Geringer, talks about supporting Brittany when her family wasn't there for her.

Brittany's Defense Attorney, Steve Geringer, talks about Brittany's life while in custody.

Krista's sister, Alexandria Pike, talks about her relationship with Krista.

Investigators question Cheryl about her "dream house" plans with Randy.

Things were going great between Thomas and Brittany until Thomas received a phone call that would change the course of their lives.

Investigators finally get Cheryl to admit that she knew Randy had killed Andie when he called her on the night of the murder.

After speaking with investigators, Brittany asks a question that raises a huge red flag.