Melissa digs into the unsolved homicide of Jillian Miles. Jillian was 27 years-old and shot twice, while in her home with her two young children.

Melissa speaks to Teresa and Cindy regarding the certified letter sent to Fayette County.

Melissa talks to one of Mackenzie's classmates about her final day at school and then has a discussion with the writer of mysterious letter that was dropped off at the fire station.

In the season finale, Melissa digs into a purported confession, reviews the Murder Board, and Donald reads a letter he wrote to Mackenzie.

Melissa digs into the 2017 exhumation of Mackenzie's body.

Melissa digs into the lie detector tests given following the fire that took Mackenzie's life.

Melissa digs into the immediate events following the fire and continues her conversation with Sheriff Vernon Stanforth.

Melissa learns more about the incident that got Kenny banned from South Dakota.