Arrests, Searches & Seizures Flashcards
Learn all about 4th Amendment searches and seizures, including: - Arrests - Warrants & probable cause - Searches and seizures - Terry stops - Exceptions to the warrant requirement - Exclusionary rule & fruit of the poisonous tree - Administrative searches
The 4th Amendment has 2 major parts, it:
- Protects the right of the people to be secure from ______ and _______; and
- States that warrants must be supported by _______.
The 4th Amendment:
- Protects people to be secure from unreasonable searches and seizures in their home by the government; and
- States that warrants must be supported by probable cause
More Info: 4th Amendment
What are 4 key questions you should ask when approaching a 4th Amendment question?
- Was there a search or seizure?
- Was the search or seizure conducted by a government actor?
- Was there probable cause?
- Was there a valid warrant? (Was the warrant defective or did the police act in bad faith?)
- Was there an exception to the warrant requirement?
When will actions by a private individual trigger the 4th Amendment?
If the individual acted at the direction of a government agent or pursuant to an official policy
What constitutes a seizure under the 4th Amendment?
When an officer, by show of physical force or authority, intentionally restrains the liberty of the citizen so that they are not free to leave (objective standard).
In this context, a seizure is also called an arrest.
What factors help determine if a seizure has occured?
Basic Rule: If a reasonable person in D’s position would have believed he was not free to leave, it’s a seizure.
Factors include:
- Threatening presence of several officers;
- Display of weapons;
- Physical touching of person; and
- Indication that compliance with request is an order
What is required for a valid arrest?
- Probable cause; and
-
Warrant if:
- Suspect is in their own home or another’s home absent consent or exigent circumstances
When is an arrest warrant NOT required?
If:
- Arrest is in a public place;
- Arrest is for a misdemeanor punishable by a fine and police witnessed the misdemeanor;
- Exigent circumstances exist; or
- Police had consent to enter D’s home or third party’s home
Does an illegal arrest prevent the government from prosecuting D?
No, as long as police have probable cause, they may prosecute and detain D even if the arrest was illegal.
⚠️ However, evidence seized during an illegal arrest may be suppressed at trial.
When can the police stop an automobile?
Must have reasonable suspicion of illegal activity, unless the stop is at a checkpoint.
When can a private citizen make an arrest (“citizen’s arrest”)?
If:
- A felony has been committed; and
- Citizen has reasonable belief that the person being arrested committed it
⚠️ Note: Can be used as a defense if citizen used reasonable force to detain until police arrived.
What is the two-prong test identified in Katz to determine whether or not there was a search?
- Did the defendant have a reasonable expectation of privacy?; and
- Was the expectation one that society recognizes as reasonable?
If yes, the search is protected by the 4th Amendment.
When does a reasonable expectation of privacy exist under the 4th Amendment?
When:
- An individual has a subjective expectation of privacy in the thing searched; and
- Expectation is one society recognizes as reasonable
⭐️ Viewed in totality of the circumstances
List examples of when there is no reasonable expectation of privacy.
- Objects knowingly exposed to the public;
- Smells emanating from personal belongings;
- Car VIN #’s;
- Handwriting samples;
- Voice exemplars;
- DNA samples;
- Bank records;
- Phone call records;
- Conversations with government informants;
- Open fields;
- Airspace above property higher than 400 feet
- Naked-eye observations of private property; and
- Discarded property
What is considered one’s home for the purposes of the 4th Amendment?
- Home/dwelling itself; and
-
Curtilage (area surrounding the home). Whether or not area is curtilage depends on:
- Proximity of the area to the home;
- Whether the area is within an enclosure surrounding the home;
- The nature and uses to which the area is put; and
- Steps taken by the resident to protect the area from observation by passersby
Are open fields surrounding the home considered curtilage?
No, even if the area is fenced and has “No Trespassing” signs.
Does an overnight guest in someone’s home have a reasonable expectation of privacy?
Yes, as long as the premises aren’t being used for an illegal purpose
Does an overnight guest in a hotel have a reasonable expectation of privacy?
Yes. A hotel clerk cannot consent to the search.
What is the Third Party Doctrine and its effect?
An individual who freely shares information with a third-party (e.g. banks, phone companies, or internet service providers) has no reasonable expectation of privacy for that information
⚠️ Exception: Cell Phone Tracking Data (Carpenter v. United States)
Does aerial surveillance of D’s property with a plane or helicopter constitute a search?
If the surveillance is at a height greater than 400 feet, D likely has no reasonable expectation of privacy and thus no search occurred.
Does placing a tracker on D’s vehicle or other private property constitute a search?
Yes, if police physically intruded on D’s property to install the tracker.
Does using animals (e.g. drug-sniffing dogs) to search for contraband constitute a search?
Yes, if it intrudes upon a constitutionally protected area (i.e. home, curtilage, person)
What are the requirements for a valid warrant?
Warrant must be:
- Based on probable cause;
- Supported by oath or affidavit
- Describe with particularity the thing/person to be seized and place to be searched; and
- Be issued by a neutral and detached magistrate
The scope of a warrant is limited to:
Only the premises, person, or items described in the warrant
Are warrants needed for each person to be searched?
Yes, there must be an independent basis to search each person; just because they are in the same room doesn’t mean the search is valid (absent exigent circumstances).
⚠️ Note: Police can detain subjects not included in the warrant, but they cannot search them.
What are 8 exceptions to the warrant requirement?
Common Acronym = ESCAPIST
- Exigent circumstances;
- Searches incident to lawful arrest;
- Consent;
- Automobile search
- Plain view search;
- Inventory search;
- Special needs;
- Terry stop and frisk;
⭐️ The MBE likes you to trick you on these. Memorize these exceptions!
When does probable cause exist?
If the quantity of facts and circumstances would lead a reasonable person to conclude that either:
- The individual in question has committed a crime; or
- Specific items related to criminal activity can be found at that particular location
More info: Probable Cause
Probable cause must be supported by what type of facts?
Facts based on either:
- Verifiable and reliable information from an informant;
- Seized evidence; or
- Observations by law enforcement (police are presumed to be reliable sources)
When is an informant tip considered sufficiently reliable to establish probable cause?
Courts weigh:
- The credibility of the information;
- The reliability of the informant;
- Corroboration by the police; and
- An informant’s declaration against interest
What is the remedy if police act pursuant to an invalid warrant?
Evidence obtained during an unlawful search will be inadmissible pursuant to the Exclusionary Rule.
⚠️ Exception: Evidence is not excluded if police officers relied upon the warrant in good-faith.
When does the good-faith exception to the Exclusionary Rule not apply?
If either:
- No reasonable officer would have relied upon the warrant;
- The warrant is facially defective;
- The officer lied or misled the magistrate to obtain the warrant;
- The magistrate issuing the warrant was not neutral and unattached; or
- The warrant was improperly executed