Season 1, Episode 03 – “The Longest Lesson” For the first time, the class partners with investigators-visiting crime scenes, engaging locals, and launching a headline-making campaign. But unlike TV true crime, they learn real change is slow and incomplete. As the school year ends, roadblocks and unanswered questions force them to ask: can justice exist without closure?

Season 1, Episode 02 – “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?

In a quiet Tennessee town, a high school sociology class takes on a mystery that has lingered for decades. Led by teacher Alex Campbell, the students of Elizabethton High School begin investigating the Redhead Murders—a series of unsolved killings that once captured headlines across the South before fading from public memory. What starts as a classroom project soon evolves into a remarkable real-world investigation, as the students uncover new leads, connect long-overlooked clues, and bring fresh attention to victims who were nearly forgotten. Along the way, they discover that the search for answers is about more than solving a case—it’s about giving a voice to the people at the center of it and proving that determination can come from the most unexpected places.

Season 1, Episode 01 – “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.