Fourth Amendment
Protects from UNREASONABLE searches and seizures and requiring warrants to be based on probable cause.
*Applies ONLY to government conduct
Seizure of Persons
when, due to government action, a reasonable person in the defendant’s position would not feel free to leave or terminate a police encounter
*police need to use physical force OR a showing of authority followed by submission.
Terry Stop
A brief investigatory seizure. The difference with arrest is duration and purpose. The permissible duration is the time necessary to confirm a reasonable suspicion that a crime has occurred; if so, police now have probable cause (PC). If suspicion is denied, the seizure must stop.
Seizure of Property
Police take action that results in a meaningful interference with a possessory interest
Search
Any government investigatory trespass against a fourth amendment interest OR intrusion into a reasonable expectation of privacy (REP).
Investigatory Trespass
Intrusion upon the target’s person, home (including curtilage), papers, or effects for the purpose of finding or gathering evidence of a crime.
*Police need an investigatory motive.
Reasonable Expectation of Privacy
This requires that:
Police use of devices or animals that enhance human sense
Use of commonly available equipment to enhance the natural senses of sight, hearing, or smell will not qualify as a search unless: