Some countries have provisions in their constitutions that provide the public with the right to be free from unreasonable search and seizure. This right is generally based on the premise that everyone is entitled to a reasonable right to privacy.
https://en.wikipedia.org/wiki/Search_and_seizure
Search and seizure is a procedure used in many civil law and common law legal systems whereby police or other authorities and their agents, who suspect that a crime has been committed, do a search of a person's property and confiscate any relevant evidence to the crime.
https://en.wikipedia.org/wiki/Search_and_seizure
Early court decisions limited the amendment's scope to a law enforcement officer's physical intrusion onto private property, but with Katz v. United States (1967), the Supreme Court held that its protections, such as the warrant requirement, extend to the privacy of individuals as well as physical locations.
https://en.wikipedia.org/wiki/Fourth_Amendment_to_the_United_States_Constitution
The Fourth Amendment (Amendment IV) to the United States Constitution is the part of the Bill of Rights that prohibits unreasonable searches and seizures and requires any warrant to be judicially sanctioned and supported by probable cause.
https://en.wikipedia.org/wiki/Fourth_Amendment_to_the_United_States_Constitution
B. Seizure of a Person. A seizure of a person, within the meaning of the Fourth Amendment, occurs when the police's conduct would communicate to a reasonable person, taking into account the circumstances surrounding the encounter, that the person is not free to ignore the police presence and leave at his will.
https://www.law.cornell.edu/wex/fourth_amendment
The general rule under the Constitution is that a valid warrant is required for a valid search. There are, however, several exceptions to this rule, based on the language of the fourth amendment that the people are to be secure ... against unreasonable searches and seizures. For instance, the owner of the property in question may consent to the search.
https://en.wikipedia.org/wiki/Search_and_seizure
Following Katz, the vast majority of Fourth Amendment search cases have turned on the right to privacy, but in United States v. Jones (2012), the Court ruled that the Katz standard did not replace earlier case law, but rather, has supplemented it.
https://en.wikipedia.org/wiki/Fourth_Amendment_to_the_United_States_Constitution
A search or seizure is generally unreasonable and illegal without a warrant, subject to only a few exceptions. To obtain a search warrant or arrest warrant, the law enforcement officer must demonstrate probable cause that a search or seizure is justified.
https://www.law.cornell.edu/wex/fourth_amendment
Because the Bill of Rights did not initially apply to the states, and federal criminal investigations were less common in the first century of the nation's history, there is little significant case law for the Fourth Amendment before the 20th century.
https://en.wikipedia.org/wiki/Fourth_Amendment_to_the_United_States_Constitution
The exclusionary rule is one way the amendment is enforced. Established in Weeks v. United States (1914), this rule holds that evidence obtained through a Fourth Amendment violation is generally inadmissible at criminal trials.
https://en.wikipedia.org/wiki/Fourth_Amendment_to_the_United_States_Constitution
which amendment in the united states protects individuals from unreasonable search and seizure?
Fourth Amendment in the united states protects individuals from unreasonable search and seizure.