An officer sees a suspicious 18-year-old male hanging around an open campus high school at the lunch hour. The officer sees the male exchange something for cash with another male. The suspicious male sees the officer and begins to walk away quickly. The officer stops the male, conducts a pat-down, and locates 10 pounds of marijuana in zip lock bags inside his coat. The male is arrested for possession with intent to deliver on school grounds. Which lawful exception(s) to the search warrant applies? Does probable cause or reasonable suspicion exist? Discusses the applicable exception to the search warrant requirement. If no valid exception applies, explain why.