Is moving a cereal box to reveal hidden marijuana considered a search that may require a warrant?

Moving a cereal box to reveal hidden marijuana is indeed considered a search that may require a warrant because it involves an officer physically manipulating an object to uncover evidence of a crime. The Fourth Amendment protects individuals from unreasonable searches and seizures, meaning that law enforcement generally needs probable cause and a warrant to conduct a search that intrudes upon a person's reasonable expectation of privacy.

In this scenario, the cereal box would likely be considered a container that is afforded a level of privacy. When an officer moves it without consent or probable cause, it constitutes a search under the legal definition. This requirement for a warrant applies to ensure that individuals' rights are respected, and that searches are conducted under the scrutiny of the judicial process.