This is a continuation of the "probable cause" discussion, but then moves into the application of "probable cause" when considering the legal component of threat and emergency, or seriousness, and then as an aspect of priority. If you understand these tools, and you will because they are simple concepts for reasonableness, made complex by legal wrangling, which ultimately returns them to simple standards for use in serious decision making contexts. The chapter concludes by making introductory statements about Obama and "probable cause" consideration, and setting up for Chapter Three.