Key Cases & Doctrines Flashcards
Predication Standard
Probable Cause Factors
1. Fair Probability (Gates)
a. Reasonable Person Standard
b. More Likely than Not Standard (Pringle)
2. Totality of Circumstances (Brinegar)
a. No Conclusory Statements (Nathanson)
b. Reliable Sources (Spinelli)
c. Verification of Information (Draper)
Predication Standard
Reasonable Suspicion
- Specific and Articulable Facts
- Need to Disarm Suspect or Preserve Evidence
Predication Standard
Exigent Circumstances
- Hot Pursuit
- Emergency Aid
- Preservation of Evidence
Predication Standard
Voluntariness Test
and Coercive & NonCoercive Factors
- Not Coerced (explicit or implicit)
- Totality of Circumstances
- Burden of Proof: Defendant
- Scope: Objective Reasonableness
Coercive Factors
- Exploiting Illegal Arrest
- Deception - False Claim of Warrant
NonCoercive Factors
- Threat of Lawful Incarceration
- Ready Discovery of Evidence
- Deception - Unknown Identity of Police
NonDispositive Factors
- Mental/Emotional Condiction
- Deception - False Claim of Ability to Obtain Warrant
- Deception - Unknown Intentions of Police
Predication Standard
Diminished Expectations of Privacy
- School Children
- Prisoners
- Probationers
Coverage
Search
REOP
The Fourth Amendment protects people, not places
Protects against the intrusion on a person’s privacy interests. Katz v. United States (1967)
A person has a reasonable expectation of privacy where they:
- Exhibit an actual, subjective expectation of privacy, and
- Society recognizes that as a reasonable expectation
Coverage
Search
Warrant Exceptions
- Search Incident to Lawful Arrest
- Automobile Exception
- Plain View/Things Held Out to the Public
- Consent
- Terry Stops/Investigative Detention
- Exigent Circumstances
- Administrative/Regulatory Inspections
- Inventory Searches
- Undercover Investigations
- Personal Characteristics (Exemplars, Fingerprinting, etc.)
Coverage
Search:
Protected Interests
- Persons
- Residential Dwellings
a. Curtilage
b. Use of Technology not in Common Use - CSLI
- Personal Effects
- Network Surveillance - Content
Search Warrant
Requirements
- Probable Cause
- Neutral & Detatched Magistrate
- Particularity - Place & Things
- Oath or Affirmation
Search Warrant Execution
Requirements
- Reasonable Time
- Knock & Announce (unless Exceptions)
- Persons on Premises (may or may not be detained/searched)
- Proportionate Intensity & Duration
- Presence of Third Parties (must be proper)
Reasonable Use of Force
Factors
- Severity of crime
- Immediate Threat to safety
- Suspect Resisting or Evading Arrest
- **Not Subjective - **Officer’s Split-Second Judgments **
- Objective - Totality of Circumstances
Arrest
Requirements
- Warrant (unless exception)
- Use of Reasonable Force
- If Warrantless –> Prompt Judicial Review
Scope
Immediate Control/Grabbable Area
Reasonable for Officer to search and/or seize to:
1. Disarm Suspect
2. Preserve Evidence (Chimel)
Before suspect is arrested/handcuffed (Gant)
Scope
Protective Sweep
Officer may look beyond the immediate control/grabbable area IF
Reasonable Suspicion : May search other parts of the premises
Without Reasonable Suspicion: Areas from whIch an attack could be immediately launched, including closets and other spaces outside the immediate area of arrest
Automobile Exception
Requiring Probable Cause
- Entire Vehicle Search
- Closed Containers in Vehicle
- Motor Homes
Automobile Exception
Requiring Reasonable Suspicion
- Search Incident to Lawful Arrest (Immediate Control/Grabbable Area)
- Passenger’s Belongings
Coverage
“Free to Leave” Standard
Factors
- Threatening presence of Several Officers
- Display of Weapons by officers
- Physical Touching by officers
- Use of compelling language or tone
- Blocking Exists
- Length of Time