1. Sociology of a Serial Killer

In a small Tennessee town, teacher Alex Campbell turns his sociology class into an unlikely force for truth. What begins as a 40-year-old cold case study becomes a legacy project, as each year's students uncover evidence suggesting these weren't isolated murders-but pieces of a larger pattern along America's highways.

2. Killer Questions

Evidence begins to suggest their lead suspect wasn't a one-off killer but tied to at least six victims. Focusing on the strongest cases, they gather evidence that could force authorities to brand him a serial killer, edging closer to a federal investigation that may rewrite history. The breakthrough brings more questions than answers. Are they uncovering the truth or blinded by confirmation bias?