Perhaps everyone is a single yet multi-faceted individual, fickle yet loyal, simple yet contradictory, complex yet pure... In fact, they are not simple at all.
Crime is a terrible and common word, and it is also a common or accidental behavior of some people.
Criminal psychology, whether it is possible to reason and predict human nature and cognition.
Investigative reasoning, whether behaviors and crimes can be blocked and stopped.
A crime game, a mystery, and a speculative insight. Is it competition or cooperation?