I’m honestly unsure just how much of what’s presented in this film actually happened. It’s difficult to determine which individuals are composites or fabrications. Certain characters, particularly those portraying FBI agents, feel exaggerated and almost too perfect, prompting a suspicion that only the Unabomber himself might have been based on reality. Despite that, it is fundamentally a story about apprehending a dangerous criminal, something I've always found more compelling than the typical fascination with serial killers. The lives of those committing these crimes are relatively simple; they possess an enormous population – 323 million people – to disappear into. Conversely, the individuals tasked with bringing them to justice face significant challenges, essentially needing to locate a single item within an overwhelmingly large pile and, in the instance of the Unabomber case, that "pile" was the entire country. The series successfully communicates this aspect, which is reason enough to recommend it. Importantly, it avoids the overly technical jargon often associated with crime dramas—the kind that’s likely impractical or nonexistent anyway. Instead, viewers are given the opportunity to observe individuals meticulously working through a grave and complex problem. The process of how they assemble all the clues together feels remarkably authentic. My sole reservation, the only reason I didn't award it a higher rating, is the lack of realism in most of the characters. However, this proves easily overlooked because the series prioritizes *how* the investigation unfolded over *who* was involved.

Source on TMDB