Why did Moses not kill Zimri if the law of zealots striking one who cohabits with an Aramean woman is explicit?

This source-based Torah study examines the question: Why did Moses not kill Zimri if the law of zealots striking one who cohabits with an Aramean woman is explicit? It follows the canonical Hebrew discussion through the weekly portion and the classical sources cited there, preserving the distinctions and review status of the original. This localized layer is for study and discovery only; it is not a practical halakhic, medical, legal, safety or pastoral ruling.