Law Commons^™

The Fourth Amendment And The Control Of Police Discretion, William J. Mertens

University of Michigan Journal of Law Reform

The fourth amendment protects the security of people's "persons, houses, papers, and effects" in two distinct (if overlapping) ways. First, it requires a sufficiently weighty public interest before the government's agents are allowed to search or seize. Thus, for example, probable cause is required for arrest. Whatever uncertainty there may be in the phrase "probable cause" (and, for that matter, however indefinite the idea of "arrest" may have become), in this context, at least, the probable cause standard requires the demonstration of objective facts that point with some probability to the guilt for some particular offense of the person arrested. …