Criminal Procedure Flashcards
a
Fourth Amendment
Government is prohibited from unreasonable searches and seizures.
Under the 4th Amendment, what constitutes a seizure?
Under the totality of the circumstances, a reasonable person would feel that they were not free to decline to officer’s requests or otherwise termiante the encounter.
Under the 4th Amendment, what constitutes an arrest?
When the police take a person into custody against their will for purposes of criminal prosecution or interrogation.
An arrest must be based on ___. Which is ___.
Probable cause; trustworthy facts or knowledge sufficient for a reasonable person to believe that the suspect has committed or is committing a crime for which arrest is authorized by law (based on totality of the circumstances)
In what locations are arrest warrants required?
- Not Required = public places
- Required = at home (non-emergencies)
When officers are executing a warrant at a suspect’s house, may they enter the home?
Only if there is reason to believe the suspect is within it.
Terry Stop
- The police have the authority to briefly detain a person even if they lack probable cause to arrest.
- If the police have a reasonable suspicion of criminal activity or involement in a completed crime, supported by articulable facts, they may detain a person for investigative purposes.
___ is required for a Terry stop.
Reasonable suspicion supported by articulable facts
Note: More than a vague suspicion but less than probable cause
May police conduct a Terry stop based on an informant’s tip?
Only if there is an indicia of reliability (i.e., predictive information)
What is the duration and scope of a Terry stop?
The police must act in a diligent and reasonable manner in confirming or dispellling their suspicions.
When may police conduct an automobile stop?
If the officer has at least reasonable suspicion to believe that a law has been violated.
May police use police dogs durring traffic stops?
During routine traffic stops, a dog sniff is not a search, so long as the police do not extend the stop beyond the time needed to issue a ticket or conduct normal inquiries.
Does a police officer’s mistake of law invalidate a seizure?
No, a police officer’s mistake of law does not invalidate a seizure as long as the mistake was reasonable.
Are informational checkpoints and roadblocks valid?
If the police set up a roadblock for purposes other than seeking incriminating information about the drivers stopped, the roadblock will be constitutional.
To be valid, the roadblock must:
* Stop cars on the basis of some neutral, articulable standard; and
* Be designed to serve purposes closely related to a particular problem pertaining to automobiles and their mobility
Are pretextual stops valid?
Yes, if the police have probable cause to beleive a drive violated a traffic law, they may stop the car, even if their ulterior motive is to investigate a crime for which they lack sufficient cause to make a stop.
4 Steps to 4th Amendment Search Analysis
- Is the actor a government actor?
- Does the defendant have a 4th Amendment right or does the search involve a physical intrustion into a constitutionally protected area?
- Did the police have a valid warrant?
- If the police did not have a valid wararnt, was the search and seizure within one of the exceptions to the warrant requirement?
Which areas are protected by a 4th Amendment search?
- Search or seizure by a government agent of a constitutionally protected area in which the individual had a reasonable expectation of privacy
- Physical intrusion by the government into a constitutionally protected area to obtain information
What requirements must a person have standing to object to a governmental search?
A person must have their own reasonable expectation of privacy with respect to the place searched or the item searched.
A person ALWAYS has a reasonable expectation of privacy:
* The person owned or had a right to possession of the place searched
* The place searched was their home (whether or not they owned or possessed it)
* The person was an overnight guest
A person does not have a reasonable expectation of privacy in objects held out to the public. This includes:
- Sound of your voice
- Style of handwriting
- Paint on outside of car
- Account records held by bank
- Location of car on a public street or in a driveway
- Open fields
- Public airspace
- Odors emanating from luggage or car
- Garbage set out on the curb for collection
What are the two requirements for a facially valid search warrant?
- Probable Cause
- Particularity
How is probable cause established for a valid warrant?
If the magistrate determines there is probable cause to believe that seizable evidence will be found on the person or premises at the time the warrant is executed.
Can police use informant’s to establish probable cause for a warrant?
Based on the totality of the circumstances, only if the informant’s reliability and credibility or their basis for knowledge are relevant factors in making the determination.
A search warrant issued on the basis of an affidavit will be held invalid if the defendant establishes all three of the following:
- A false statement was included in the affidavit by the affiant
- The affiant intentionally or recklessly included the false statement; and
- The false statement was material to the finding of probable cause
A warrant must be particular, which means ___.
It describes the place to be searched and items to be seized.
May a warrant predict when illegal items may be in a suspect’s home?
Yes, the items need not be on the premises at the time the warrant is issued.
Are search warrants of non-suspect’s homes valid?
Yes, as long as there is probable cause to beleive that evidence will be found there.
Who may execute a warrant?
Only police – cannot be accompanied by any third parties unless the third parties are present to aid in identifying stolen property
When must a warrant be executed?
Without unreasonable delay
When police arrive at a home to execute a search warrant, what must they do?
- Knock
- Announce their purpose
- Wait a reasonable time for admittance (unless the officer has reasonable suspicion, based on facts, that announcing would be dangerous or futile or would inhibit the investigation)
What is the scope of a search warrant?
Limited to what is reasonably necessary to discover the items described in the warrant.
Will violations of the knock and announce rule result in suppression of evidence otherwise properly obtained?
No