For decades, criminal profiling has taught that killers split into two types: organized offenders who plan carefully, control their victims, and leave clean scenes, versus disorganized offenders who act on impulse and leave chaos behind. This framework became one of the most recognizable ideas in early FBI behavioral profiling, popularized endlessly through books, documentaries, and fictional profiler characters. But later research has pushed back hard on whether real offenders actually sort neatly into these two boxes. This episode traces where the model came from, what still holds up, and why modern behavioral analysis demands far more nuance than a simple binary.