What must be specified in an anticipatory search warrant?

In an anticipatory search warrant, it is essential to specify clear and narrowly drawn triggering events. This is because such warrants are based on the expectation that evidence will be found at a certain time in the future, contingent upon specific actions or events occurring. The triggering events must be well-defined so that law enforcement can establish probable cause that the search will yield the evidence sought once these events take place.

This requirement serves to ensure that the warrant is not overly broad and respects the Fourth Amendment rights against unreasonable searches. By having clear and specific triggering events, it provides a legal framework that justifies the search and ensures that law enforcement is acting within the law when they execute the warrant.

In contrast, the other selections do not meet the legal criteria necessary for anticipatory search warrants. Personal reasons of officers, general information about the area, or only having a case number do not provide a solid legal basis for justifying the search at a future date and do not help in establishing the necessary probable cause tied to an anticipated event.