Kara Sears
The Fourth Amendment of the U.S. Constitution protects private citizens from unreasonable searches and seizures. However, there are several exceptions to this rule, allowing law enforcement to search without a warrant in specific circumstances. For example, if an officer has reasonable suspicion that a crime is occurring, they can stop and frisk a suspect for weapons to ensure their safety. Similarly, if an officer is lawfully on the premises or has stopped a vehicle for a valid reason, and evidence of a crime is in plain view, they can seize it without a warrant. In addition, following an arrest, officers may search for weapons or evidence that could be destroyed without a warrant.
| Characteristics | Values |
|---|---|
| Search incident to arrest | Police may search a person and their immediate surroundings for weapons and evidence without a warrant. |
| Search incident to lawful arrest | Police may conduct a limited search of a person when they have placed the person under arrest. |
| Automobile exception | Police may search a vehicle without a warrant during the lawful arrest of the driver if they reasonably believe the person might be able to access the vehicle or that the vehicle contains evidence. |
| Plain view | Police may seize evidence without a warrant if they are lawfully on the premises and the evidence is in plain view. |
| Open fields | Open areas of a person's property that are not directly adjacent to their residence are not protected by the Fourth Amendment and may be searched without a warrant. |
| Terry stops | Police may "stop and frisk" a person based on reasonable suspicion that the person has been, is, or will be involved in criminal activity. |
| Border searches | Officials at the US border and in international travel hubs have broad discretion to conduct searches of individuals, their personal effects, and their vehicles. |
| Exigent circumstances | Police may search without a warrant if they reasonably believe that evidence may be destroyed or that others may be in danger in the time it would take to obtain a warrant. |
| Hot pursuit | Police may arrest and search individuals suspected of committing a felony, entering any property to search and seize evidence without a warrant. |
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What You'll Learn
Search incident to arrest
The Fourth Amendment of the U.S. Constitution protects citizens against unreasonable searches and seizures, and a warrant is typically required for a search. However, there are exceptions, and a search incident to a lawful arrest is one of them. In Harris v. United States (1947), the Supreme Court of the United States held that a law enforcement officer could perform a warrantless search during or immediately after a lawful arrest of the arrestee and their premises, regardless of the purpose of the arrest. This was further narrowed in United States v. Rabinowitz (1950), where the Court limited the search to the area within the arrestee's "immediate control."
The scope of a search incident to arrest has been the subject of several court cases, including United States v. Robinson (1973), which held that a full search of a person during a lawful custodial arrest is not only an exception to the warrant requirement but also a reasonable search under the Fourth Amendment. Arizona v. Gant (2009) ruled that officers may search automobiles following an arrest only if the arrestee "could have accessed his car at the time of the search." This means that if the person arrested could reach into their car for a weapon, a search based on officer safety is permitted.
More recently, Birchfield v. North Dakota examined whether compulsory breath and blood tests for a driver arrested on suspicion of drunk driving were unreasonable under the search incident to arrest exception. The Court weighed individual privacy interests against legitimate state interests and concluded that the Fourth Amendment permits warrantless breath tests in these circumstances due to the slight impact on privacy and the great need for BAC testing.
It's important to note that the scope of a search incident to arrest has limitations. For example, in Riley v. California, the Court distinguished between a physical search and a search of cell phones, which contain vast amounts of personal data. The Court noted that other means exist to secure data from a cell phone, such as turning it off or placing it in a bag that blocks radio waves.
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Plain view
In the United States, the Fourth Amendment protects private citizens from unreasonable searches and seizures. It states that "no Warrants shall issue, but upon probable cause, supported by Oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized."
The plain view doctrine is an exception to the Fourth Amendment's warrant requirement. It allows law enforcement officers to seize evidence or contraband that is in plain view during a lawful observation, without a warrant. This doctrine is often used by Transportation Security Administration officers at airports.
For the plain view doctrine to apply, the following conditions must be met:
- The officer must be lawfully present at the location where the evidence can be viewed.
- The officer must have a lawful right of access to the object.
- The incriminating nature of the object must be immediately apparent.
The plain view doctrine does not eliminate the probable cause requirement. Officers must have probable cause to believe that items in plain view are contraband or evidence of a crime before seizing them.
The doctrine was first articulated in the Supreme Court case of Coolidge v. New Hampshire. In the case of Horton v. California, the court clarified that the discovery of evidence in plain view does not need to be inadvertent and that the officer must have a lawful right of access to the objects seized.
Examples of the plain view doctrine in practice include:
- Texas v. Brown: Contraband was seized from a car seat in plain view of an officer who had stopped the vehicle.
- Arizona v. Hicks: Police officers were in an apartment under exigent circumstances and seized items that they could readily identify as contraband or evidence without further search.
- Harris v. United States: An officer opened the door of an impounded automobile and properly seized evidence that was in plain view.
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Exigent circumstances
The Fourth Amendment of the U.S. Constitution protects private citizens from unreasonable searches and seizures. Under this amendment, law enforcement officers must obtain written permission from a court of law to legally search a person and their property and seize evidence while investigating possible criminal activity. However, there are exceptions to this rule, including exigent circumstances.
For example, in the case of Missouri v. McNeely (2013), the Supreme Court clarified that exigent circumstances can include the need for law enforcement to provide emergency assistance, engage in hot pursuit of a fleeing suspect, or enter a burning building. The Court emphasised that the totality of the circumstances must be considered when determining if a warrantless search is justified. Similarly, in Kentucky v. King (2011), the Court ruled that officers cannot rely on exigent circumstances if they themselves created or manufactured the situation.
The exigent circumstances doctrine allows officers to act without a warrant in four general situations: hot pursuit of a fleeing felon, imminent destruction of evidence, emergency aid, and prevention of a suspect's escape. These factors are evaluated based on the risk of danger, the severity of the crime, and the likelihood that the suspect is armed.
It is important to note that even in cases of exigent circumstances, officers must conduct the search or seizure in a reasonable manner, including using reasonable force. Additionally, evidence obtained through illegal searches without a valid warrant is generally not admissible in court.
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Automobile exception
The Fourth Amendment of the U.S. Constitution protects citizens from unreasonable searches and seizures, and a search warrant is usually a prerequisite for a search. However, the motor vehicle exception, or automobile exception, allows law enforcement officers to search a vehicle without a warrant if they have probable cause to believe that evidence or contraband is inside.
The motor vehicle exception was first established by the United States Supreme Court in 1925 in Carroll v. United States. The exception is based on the idea that there is a lower expectation of privacy in motor vehicles due to the regulations they operate under. Additionally, the inherent mobility of vehicles creates an exigency to prevent the removal of evidence or contraband. In other words, because vehicles can be quickly and easily moved, officers may need to act without a warrant to prevent the destruction or removal of evidence.
The automobile exception allows officers to search the entire vehicle, including the trunk and any containers inside that could hold evidence or contraband. For example, in United States v. Ross, the Supreme Court ruled that officers could search any containers found inside a vehicle during a warrantless search. However, in a later case, Arkansas v. Sanders, the Court held that a locked box or container within a vehicle cannot be searched without a warrant unless there is separate probable cause to believe contraband is hidden inside.
It is important to note that the automobile exception does not apply to vehicles parked on private property where there is a reasonable expectation of privacy, such as a home. Additionally, some states' constitutions require officers to demonstrate that there was insufficient time to obtain a warrant before conducting a warrantless search under the automobile exception.
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Hot pursuit
Under the Fourth Amendment of the U.S. Constitution, individuals are protected from unreasonable searches and seizures, and a warrant is generally required for searches. However, hot pursuit is recognised as an exigent circumstance, permitting officers to make warrantless arrests and searches in certain situations. This exception applies when officers are in pursuit of a suspect who has committed a felony and is attempting to evade arrest. For example, if a suspect who has just robbed a store runs into an apartment building, officers can use the hot pursuit doctrine to enter the apartment and make an arrest without a warrant.
The hot pursuit doctrine grants officers the authority to enter private residences or other properties without a warrant when they are pursuing a suspect who has fled from a public place. This is based on the understanding that the arrest is considered to have been made at the moment the chase began, rather than when it ended, thus preventing the suspect from benefiting from their attempt to escape. The doctrine applies when there is probable cause for the arrest and the belief that the suspect poses a threat to public safety or is likely to destroy evidence.
While hot pursuit provides law enforcement with additional powers, it is not without limitations. In the United States, the hot pursuit doctrine only applies to felony crimes. Additionally, judges review these cases on a case-by-case basis, considering the information known to the police at the time of the pursuit. Furthermore, the right of hot pursuit in maritime law ceases when a ship pursued enters the territorial sea of a foreign state, and the pursuing coastal state may be liable for any loss or damage caused if it fails to justify its actions.
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Frequently asked questions
Law enforcement can search a home without a warrant if they have probable cause to believe that a person is in danger, or valuable evidence is about to be destroyed. They can also search a home without a warrant if they are pursuing a suspect who has entered the property.
Law enforcement can search a person without a warrant if they have been placed under arrest. The police have the right to search arrestees for weapons, evidence, or accomplices to the crime.
Law enforcement can search a vehicle without a warrant if they have probable cause to believe that the vehicle contains evidence of a crime or contraband. This is known as the automobile exception.
