Criminal Investigation Test 2 Flashcards
Common important factors to Interviewing and Interrogations
1) Planning
2) Controlling surroundings
3) ESTABLISHING RAPORT
4) Asking good questions
5) Careful listening
6) proper documentation
Interviews
Conducted for the purpose of gathering information from people who have, or may have, knowledge needed in the investigation
3 requirements of being a witness
1) Presence
2) Consciousness
3) attentiveness
Interrogation
adversarial in nature and intended to obtain valid incriminating information, and ideally a confession in a case
4 commonly recognized objectives in the interrogation process
1) To obtain valuable facts
2) To eliminate the innocent
3) To identify the guilty
4) To obtain a confession
Most common type of interview?
On the scene interview
Important interrogation room set ups
1) No barriers between interviewer and interviewee
2) close enough to touch without being too close
3) two way mirror should be small and unobtrusive
Brown v. Mississippi 1936
- FREE AND VOLUNTARY RULE
- Due Process Clause (14th) prevents prosecution from using info in a confession that resulted from the use of force by police
- Conviction was based solely on confession
- Case of murder
- 3 black men, vic Raymond
- All white juries
Escobedo v. Illinois 1964
- police refused his repeated requests to see his lawyer
- 6th violated
- Confession inadmissible
Davis v. United States 2011
- pool table wager $30
- Davis says maybe I should talk to a lawyer
- Kept talking then definitively said wanted lawyer
- Courts said too ambiguous of request
- Evidence admissable
- Don’t have to clarify
Berghuis v. Thompkins
- Charged with murder, assault and firearms charges
- argued confession was obtained by 5th violation bc Thompkins refused to sign acknowledgement and made almost no eye contact
- Court rejected claim about 5th violation
- Could not show prejudice by council’s deficient performance
Salinas v. Texas
- agreed to accompany officers to be questioned, not under arrest, had not been given Miranda.
- After specific question stopped answering
- Evidence was found
- Charged with murder but could not be found
- Tried and fought against evidence of silence
- Does 5th Self-Incrimination Clause protect defendant’s refusal to answer questions asked by law enforcement before he has been arrested or read his Miranda rights?
- No, 5th does not extend to defendants who choose to remain silent.
Rhode Island v. Innis
- Must be expressed questioning
-Picture ID - unarmed during arrest
- advised Miranda and asked to see lawyer
- Officers began discussing robbery in front of Innis during car ride.
- Innis told them where gun was.
- Did this violate Miranda
- NO,
Mitchell v. United States
- Does a guilty plea in federal court waive defendant’s 5th privilege against self incrimination during sentencing?
- When defendant invokes 5th privilege during sentencing may a trial court draw an adverse inference from the defendant’s silence?
- No and no
Brewer v. Williams
- escaped from mental hospital
- Man saw Williams carrying a large bundle with legs in it.
- Cops agreed not to interrogate during ride, but made comments and got incriminating statements
- claim of 6th amendment violation on right to council
- Was Williams denied council and did he waive his rights when leading detective to girls body?
- Yes, no
Daubert v. Merrell Dow Pharmaceuticals
- ## An expert may testify about scientific knowledge that assists the jury in understanding the evidence or determining a fact in issue in the case. Factors that a judge should consider include whether the theory or technique in question can be and has been tested, whether it has been subjected to peer review and publication, its known or potential error rate, the existence and maintenance of standards controlling its operation, and whether it is widely accepted in the relevant scientific community.
Maryland v. King
- act allows collection of DNA samples from individuals who are arrested for a crime of violence
- DNA of King was collected and logged
- DNA matched for rape and he was convicted
- claimed 4th infringement
- Does the Fourth Amendment allow states to collect and analyze DNA from people arrested, but not convicted, of serious crimes?
- Yes
What was established first, Fingerprint bureaus or crime laboratories?
Fingerprint bureaus by 3 decades
James F. Cowger
Helped to correct idea that fingerprint work was not a lab job
- wrote Friction Ridge Skin
Classification details focus on what for fingerprints?
Line patterns
Individualization (comparison) details focus on what with fingerprints?
deviations from a straight or curved continuous ridge line.
The ridge line patterns represent what
Class characteristics
Ridge line deviation details represent
Individual characteristics
Three basic patterns of fingerprints
1) Loops (60-65)
2) Whorls (25-30)
3) arches (5-10)
What are fingerprint patterns used for?
To classify not individualize a print
Division of arch type fingerprints?
1) plain
2) tented
How are loops divided?
1) radial (leads out toward thumb)
2) Ulner (leads out toward little finger)
Which is more common, ulnar or radial loops
Ulnar
Subdivisions of whirls
1) plain
2) central pocket
3) double loop
4) accidental
Criminalist define ridge line divergences as what?
Individual characteristics
The latent print examiner defines ridge line divergences as what
Points of identification
three sources of fingerprint exemplars
1) police fingerprint files
2) a set of prints taken from a suspect who has no arrest or fingerprint record
3) a set of prints taken from each person who frequents the area in which the latent print was found
Elimination prints
used to determine whether the laten print is that of a stranger or someone who is customarily present
Minimum number of points needed to ID a print in sever countries
France - 17
England - 16
Spain - 10 - 12
US - 12
What does the IAI have to say about point identification
There is no valid basis for requiring a pre-determined number of friction ridge characteristics before a positive ID
Competency
a witness’s personal qualifications for testifying in court
free-and-voluntary rule
came from Brown v. Mississippi
states that any kind of coercion makes a confession inadmissable
McNabb v. United States
- WITHOUT UNECESSARY DELAY
- PROMT ARRAIGNMENT RULE
- Bootlegging case
- Held for several days before confessing
- Court held that time held without bringing him before a committing officer made his confession inadmissible
-reaffirmed in Mallory v. United States - ONLY APPLICABLE FEDERALLY
- Made DELAY -IN-ARRAIGNMENT rule
Miranda v. Arizona
- Gave us Miranda Rights
- Clarified Escobedo
- Spelled out requirements and procedures to be followed when giving an in custody interrgations
Minnik v. Mississippi
- Court held that once counsel is requested interrogation must cease and not be reinitiated without council being present.
- Edwards v. Arizona also supports this saying there can be no questioning after suspect asks for counsel or information is inadmissible
Berkmer v. McCarty
- MIranda applies to interrogation of an arrested person regardless of if offense is felony or mis
Interrogation
any express questioning or any verbal or nonverbal behavior by a law enforcement officer that is designed to elicit an incriminating statement or response from the suspect of a crime.
Mirroring
- Also called ixopraxis
- shows comfortableness.
Specific signs of deception
- Lack of emphasis in hand behavior
- Swearing to the truthfulness of assertions
- ## The rogatory position (hands outstretched arms in front of bodies with palms up)
Rogatory position
If making strong statement about innocence and hands are up, the individual is supplicating to be believed, and such a statement should be highly suspect
Who made the first working polygraph
John Larson