Three

Justine and Holly ask an FBI profiler and a clinical psychologist their burning questions about Shelia and Rachel and the pathologies of juveniles who murder.

Morgantown attempts to heal. What, if anything, can be learned from the senseless murder of Skylar Neese?

Rachel and Shelia adjust to life behind bars. Ten years after her sentencing, Rachel comes up for parole. Will one of Skylar's killers go free?

Shelia and Rachel finally appear in court; Holly flies down to Morgantown to cover the proceedings.

As prosecutors build their case from Rachel's shocking confession, Shelia keeps up with her social calendar. Dave and Mary finally get some answers.

A last ditch effort to extract information from Shelia goes awry; Rachel returns to the scene of the crime.

It's a bleak Christmas for the Neeses, who go to extreme lengths to find their daughter. An examination of the past reveals warning signs.

As law enforcement circle Shelia and Rachel, a group of digital vigilantes begin to kick up dust. Officers learn more about the girls from their private journals.

July 6, 2012, the first day without Skylar, was complicated. After a strange summer, Shelia and Rachel return to University High School for their junior year.

Star City, West Virginia. Sixteen-year-old Skylar Neese disappears into the night, just after the July 4th holiday, 2012.

After midnight on July 6th, 2012, three teenage girls walked into the thick Appalachian woods somewhere along the Mason-Dixon line. Hours later, under the glow of a nearly full moon, only two walked out.