Criminal Procedure

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Last updated 3:20 PM on 4/25/26
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101 Terms

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6th Amendment functions

  • Right to a jury where the crime is punishable by more than 6 months in jail

  • Right to an attorney for a punishment of jail time

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4th amendment violation analysis

  • Search/Seizure?

  • Was it unreasonable?

  • Does the exclusionary rule apply

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Exclusionary Rule

Remedy in crim cases for evidence that has been unconstitutionally obtained

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Procedure to exclude things

  • Motion

  • Hearing

  • Judge decides after pretrial hearing based off credibility of cops/witnesses

  • Appellate court is bound by the facts and credibility decisions of trial court judge

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Exclusionary Rule good faith exemption

Law enforcement reasonably relied on the warrant

*No in NY

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Exclusionary rule Legislatures mistake exemption

Unless a statute is clearly unconstitutional, an officer can reasonably rely on the statute for their search/seizure

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Exclusionary rule SCOTUS mistake exception

When police relied on case precedent that is later overturned

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Exclusionary rule Court Employee exception

Mere error by court clerk

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Exclusionary rule Private Searches exception

No exclusion for evidence found by a private purpose unless they were acting as a government agent

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Exclusionary rule Grand Jury exception

Witnesses can’t refuse to testify about evidence found in an unlawful search

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Exclusionary rule Statute/Common Law exception

Violation of statute does not equal suppression unless the statute protects a constitutional right

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Knock and Announce Rule

Police required to knock, announce and wait a reasonable time before entering

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Knock and announce rule exceptions

Risk of danger or destruction of evidence

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Remedy for violation of knock and announce rule

Exclusionary rule doesn’t apply so sue the police department

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Errors by the police that can be excused

  • Negligence

  • Mistake of fact

  • Mistake of law

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Trespass test

If police trespass to obtain information that is a 4th amendment violation

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Katz test

  1. Subjective expectation of privacy - did the defendant expect privacy?

  2. Objective expectation of privacy - is society prepared to recognize this as reasonable?

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3rd Party Doctrine

Person can’t have a reasonable expectation of privacy in info knowing disclosed to a 3rd party

*Ex: Credit cards, EZ pass, Utility Bill

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Dog sniffs

Not a search so long as dog is in a lawful place. The alert creates probable cause

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Dog sniff in NY

  1. Apartment building hallway = constitutional with reasonable suspicion

  2. Car = constitutional with founded suspicion

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Open fields in NY

Protected if there’s no trespassing signs

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Police use of enhancements

Constitutional if the enhancement is available to the public

Ex: Flight, Magnification, Trackers

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Police use of flight

No 4th amendment limitation because no expectation of privacy

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Police use of magnification

If the cop is in a lawful place, using devices accessible to the general public no 4th amendment violation

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Police use of trackers

No violation unless inside of home or extended period

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Standing

Required to challenge the constitutional violation

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Who has standing

Persons whose effects are searched/seized or they have a reasonable expectation of privacy

*Not passengers or guests, but overnight guests have standing

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Probable cause for an arrest

  1. Probable cause to believe that a crime was committed and

  2. Probable cause to believe that a particular person committed the crime

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Probable cause for search/seizure

  1. Probable cause that a crime was committed

  2. Probable cause that a particular piece of evidence will be found in a particular place

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Methods of getting probable cause

  1. Personal knowledge by the police

  2. What others tell the police

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Probable cause factors for informants

  1. Credibility AND

  2. Basis of knowledge

  • Federal government considers totality of circumstances, not NY

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How to prove credibility probable cause factor

Proven by informant track record, if info against penal interest or police corroborate the details

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How to prove basis of knowledge probable cause factor

  • Fellow officer rule

  • Self verifiable (if very detailed or corroborated)

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Components of a warrant

Affidavit that must include facts to prove probable cause

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What’s included in a warrant

The warrant must describe the particular place and things to be seized

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When you don’t need a warrant

If the cops are in a lawful position to see something and they see it

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Timing for execution of a search warrant in NY

10 days

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Timing for execution of a search warrant in Fed court

14 days

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Who can sign a warrant

Neutral and detached Magistrates

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Who cannot sign a warrant

  • Likely prosecutor’s cannot

  • Someone who is paid

  • Someone who hasn’t read the case

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Particularly describe: Mistakes

Where cops find “subparts” while searching → objective reasonableness standard

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Particularly describe: Scope

Depends on what cops are looking for. Once the cops find what they’re looking for, they can’t keep searching. Except in drug cases

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Sneak and Peek search

Document material is there by looking/taking photos, then putting it back

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Purpose for Sneak and Peek search

Keep target ignorant that search occurred

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Anticipatory search

Investigation shows that evidence of crime isn’t there yet, but will be soon

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Purpose for an anticipatory search

Evidence may be gone/destroyed while waiting for a warrant

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2 Pre-requisites for an anticipatory search

  1. If triggering event occurs, there is probable cause the evidence will be found

  2. There’s probable cause the triggering event will occur

*can only execute after triggering event occurs

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Requirements for warrantless arrests

  1. Probable cause

  2. Public place

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Warrantless arrests in NY

No warrantless arrests for misdemeanors, Class E Felonies, or non violent crimes

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Post warrantless arrest

Judge must determine probable cause within 48 hours

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Police use of force during arrest

Only use as much force as necessary to detain

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Test for when police can use deadly force

What would a well trained officer do

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When does SILA apply

When an arrest is mandatory, discretionary, and even if it is unlawful

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Effects definition

Not clothes, but other movable things such as wallet, purse, etc.

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When can police search effects at the police station

  1. SILA

  2. For inventory purposes after booking

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SILA in NY

Not automatic, need independent justification (aka a reasonable suspicion)

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NY SILA time and space limitations

The search can’t be significantly divorced in time and place from the arrest unless exigent circumstances

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For DWI 2 ways to get BAC

  1. Breath

  2. Blood (need warrant unless unconscious or exigent circumstances)

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Test for other bodily intrusions

Can’t shock the conscience. Case by case basis. Weigh societal interests and the priority interests of the defendant

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Searches of homes

Warrantless searches of homes are presumptively unreasonable

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Requirements for entering the home to arrest

  1. Need an arrest warrant to physically get into the premises

  2. Once you get arrest warrant, can enter home without probable cause that they’re home

  3. However, need reasonable suspicion that they’re home

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2 exceptions to warrant requirement to arrest in home

  1. Exigent circumstances/emergency

  2. Consent from whoever has control over the area

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SILA regarding arrest in homes

Automatic after arrest but cannot go beyond reachable area

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Police protective sweep

Need reasonable suspicion to search non adjacent rooms, but not connecting rooms

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Hot pursuit

Only thing to consider is immediacy/dangerousness - can search whole house for danger and weapons

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Automobile exception

If there’s probable cause to believe contraband is in a vehicle, police may search the vehicle and it’s containers

*also applies to phones and passenger containers

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Vehicles and SILA

Passenger compartment is not automatic, must have reason to believe there is evidence of the crime in the car (lower standard than the automobile exception)

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Standard procedures for inventory searches

  1. Police bring vehicle to impound lot (can’t leave it on the street)

  2. Purpose of search should be safety/theft (not for evidence)

  3. Police must follow written guidelines that gives them limited discretion

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3 objectives of inventory searches

  1. Protecting owners property when in police custody

  2. Ensuring cops against claims of lost/stolen/vandalized property

  3. Guarding cops and others from dangerous instruments

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Inventory procedures must meet 2 reasonableness standards

  1. Must be rationally designed to meet the objective that justifies the search

  2. Must limit the discretion of the officer

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Consent

Must be voluntary under the totality of the circumstances

*Police has no obligation to tell people they don’t have consent

**Individuals can revoke/limit the scope of consent

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Objective test for consent

What would a reasonable officer believe he would do

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Examples where consent is not valid

  1. Landlord can’t give consent to search rental

  2. Hotel/Motel can’t consent to search of room

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Conflicting consent

Where 1 party consents but another with equal rights refuses the police can’t search

*Objecting party must be present

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Stop and frisk generally

  • Temporary seizure and limited search

  • Not a search for evidence but for safety purposes

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Stop and Frisk level 1

Allows the police to request information only if objective, credible reason, not necessarily indicative of criminality

Ex: ID, address, destination

*If reasonable suspicion that person is armed and dangerous move to level 2

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Stop and frisk level 2

More intrusive, requires a founded suspicion of criminality (less than reasonable suspicion)

Ex: anonymous tip

*If flees during questioning move to level 3

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Stop and frisk level 3

Permits forcible stop and detain if reasonable suspicion the person committed/is committing/ is about to commit a crime

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Stop and frisk level 4

Arrest which requires probable cause

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Car frisks

May frisk car if suspect is outside their car and there is actual and specific evidence of danger/conduct of hiding something

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Scope of stop and frisk

  • Need reasonable suspicion to stop car and question passenger

  • May temporarily detain to bring to crime scene

  • No plain touch rule in NY

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Special needs searches

If court determines the search is not for general law enforcement purposes but for some other reason, probable cause/warrant not required

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Special needs search balancing test

Court must balance government interest (safety of public) and the intrusion of privacy

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Types of special needs searches

  1. Administrative (ex: inspections)

  2. Closely regulated businesses (ex: liquor store or gun store)

  3. Border searches (routine = automatic; non routine = need reasonable suspicion)

  4. Automobile searches (ex: checkpoints for investigation or drunk driving)

  5. Public school searches (need for private)

  6. Drug testing (ex: government employees/school drug union)

  7. Probation or parole (if statute, and reasonable grounds to believe there is contraband)

  8. DNA (balancing test)

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When does the 6th Amendment right to counsel begin

Criminal prosecution only after formal proceedings begin in court

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5th Amendment protections

  • Statements must be made voluntarily

    • Same elements are consent (subjective standard, subject provided statement without coercion)

  • Miranda warnings must be given if suspect is in custody and being investigated

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6th Amendment Right to counsel

  • Guarantees cops can’t deliberately elicit info from the defendant

    • info needs to be verbal

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6th amendment deliberate elicit

Broader than questioning (bringing up the subject is still eliciting)

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Custody

  • Arrest = Custody

  • Deprivation of freedom in significant way = custody

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Escobedo v. Illinois

Custody is when shifted to accusatory

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Interrogation

  • Not where volunteered

  • Express questioning or functional equivalent (words or actions)

  • Cops should know or reasonably should know it would elicit a response

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Waivers

  • Must be knowing and voluntary

  • Can be express or implied

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Miranda violation

  • Can use statement only for impeachment

  • Derivative evidence is admissible as long as made voluntarily

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When Miranda applies

  • The privilege of 5th amendment self incrimination doesn’t protect a suspect from being compelled by the state to produce real or physical evidence

    • Only protect evidence of a testimonial or communicative nature

  • Public safety has to be an immediate danger to the public

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Miranda rights to invoke

  • Attorney: Cops can’t continue questioning. Not offense specific

  • Silence: No more questioning. Offense specific

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Massiah

Offense specific

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Pre arrest silence

Can be used for case in chief

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Post arrest silence

  • If pre Miranda warnings can be used for impeachment

  • If post Miranda warnings can’t be used for impeachment

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Totality of the circumstances for Voluntariness (Factors for suspect)

  • Age

  • Competency

  • Prior experience with police

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Totality of the circumstances for Voluntariness (Factors for Cops)

  • Force or threats of force

    • Presumptively involuntary

  • Conditions