4.1 Know the constitutional requirements for a stop and frisk
4.2 Understand when the police may rely on a tip from an informant
4.3 Know whether drug courier profiles constitute reasonable suspicion
4.4 Know the role of race in reasonable suspicion
4.5 Understand the restrictions during a reasonable suspicion stop on movement, duration, and investigative techniques
4.6 Understand Terry seizures and the occupants of automobiles
4.7 Know when a police officer may conduct a frisk
4.8 Understand a frisk for narcotics