cell divison Flashcards
Define Probable Cause
Is a reasonable belief grounded on facts.
A resonable ground to belive a person has committed or is committting a crime or that a place contains specific items connected with a crime
The courts have considered the standard in PC to be
Non-technical
To be judged in the light of everyday experiences
The standard delas with
Possibility not certainty
Circumstances in which probable cause impacts an officer and the courts
When making an arrest
For an arrest there must be PC that
An Offense has been committed
The person to be arrested committed it
For a search warrant there must be probable cause that
An offense have been committed
The items sought are connected to this criminal actvity
The items sought will presently be found in the place to be searched
U.S. V. Ventresca
Firsthand Source
Officer Knowledge
Ex. Personal Knowledge
Obeservations
Smell
Touch
Hearing
Knowledge of suspect
Two Sources of Facts
Firsthand
Secondhand
4 Secondhand Sources
Identifiable Source
Good Citizen Informant
Anonymous Tip
Confidential Criminal Informant
Define Corroboration
Is confirmation or support by additional edivence or authortity
Verifying information
Recongnize the magistrate’s responsibilty in the determination of probable cause
A judical officer must make an independent judgement as to whether the Fouth Admendent standard has been met
A persons assertion of his or her …. cannot give an officer probable cause to believe that a crime has been or is being committed
Constitutional rights
Pretextual Stops
When an officer stops a vehicle based on probable cause of a traffic violation and after stopping the vehicle lawfully discovers illegal stuff in the vehicle, the stop is proper under the Fourth Admendment
Totality of the circumstances
Exclusionary Rule
Judically created remedy/fix that results in supression (ask judge not to allow) of evidence derived/obtain from an illegal search or seizure
Boyd V. U.S.
The court recongize a judically rule to exclude evidence which was obtained by federal officers in violation of constitutionally protected rights.
Weeks VS. U.S.
The court expanded the rule to exclude evidence which was obtained by state officers but was given to federal officers who intened to use it
Mapp V. Ohio
The court expaneded the rule to “all evidence obtained by searches and seizures in violation of the Constitution” regradless of whether by state or federal officers.
Exclusionary Rule is designed primarly to
Deter unlawful police conduct and, to lesser extent, protect the intergrity of the judical process
Tainted Evidence
Is subject to exclusion
When the defendent shows that evidence was obtained through an illegal search or seizure, the exclusionary rule generally requires that such evidence be suppressed.
3 Types of Evidence that may be suppressed ER
- Physical
( contraband, Instrumentalities) - Identification
(Fingerprints, Handwriting Samples, Mug Shots, Blood Tests, Hair Samples) - Verbal Evidence
(Confessions/Admissions)
Fruit of the Poisonous Tree
Evidence gained by illegal conduct
Totality of circumstances test is used considering what
- Close time frame between illegality and challenged evidence
- Presence of intervening circumstances
- Purpose and flagrancy of official Misconduct
Three government defenses to allegations of “tainted evidence”
Independant source: existence of evidence which was not illegally seized and which in fact provided an independent source for the discovery
Ex: Segura v. U.S