SFST Legal and Ethical Considerations 2 — Questions and Answers
Question 1: Under the Fourth Amendment, what legal standard must officers meet before conducting an SFST?
- Beyond a reasonable doubt
- Reasonable articulable suspicion (Correct answer)
- Probable cause to arrest
- Preponderance of evidence
Correct answer: Reasonable articulable suspicion
Reasonable articulable suspicion of DUI is required to initiate a traffic stop and request SFSTs.
Question 2: Which Supreme Court case established that roadside sobriety testing does not violate the Fifth Amendment right against self-incrimination?
- Miranda v. Arizona
- Pennsylvania v. Muniz (Correct answer)
- Schmerber v. California
- Terry v. Ohio
Correct answer: Pennsylvania v. Muniz
Pennsylvania v. Muniz (1990) held that physical sobriety tests are not testimonial and do not trigger Fifth Amendment protections.
Question 3: An officer administers SFSTs without informing the suspect they are voluntary in a state requiring advisement. This could result in:
- Automatic acquittal of the defendant
- Suppression of SFST results at trial (Correct answer)
- Mandatory re-arrest of the suspect
- Civil immunity for the officer
Correct answer: Suppression of SFST results at trial
In states mandating voluntary advisement, failure to inform a suspect can lead to suppression of the test results.
Question 4: Which ethical obligation requires an SFST officer to document and report clues that suggest a driver is sober?
- Duty of impartiality (Correct answer)
- Chain of custody requirement
- Brady disclosure obligation
- Exclusionary rule mandate
Correct answer: Duty of impartiality
Officers have an ethical duty of impartiality to record all observations, including those favoring the suspect.
Question 5: When an officer's SFST report omits that the suspect was wearing high-heeled shoes during the Walk-and-Turn test, this constitutes:
- A minor clerical error
- Exculpatory evidence suppression (Correct answer)
- An admissible inference
- Standard administrative discretion
Correct answer: Exculpatory evidence suppression
Omitting factors that could explain poor performance suppresses potentially exculpatory evidence.
Question 6: A prosecutor requests that an SFST officer inflate clue counts in the written report. The officer should:
- Comply if instructed by a superior
- Refuse and report the request through proper channels (Correct answer)
- Amend the report to satisfy the prosecutor
- Consult a defense attorney first
Correct answer: Refuse and report the request through proper channels
Officers must refuse requests to falsify reports and should report such misconduct through appropriate channels.
Question 7: The Daubert standard, applied in federal courts to SFST evidence, requires that the tests:
- Be accepted only by law enforcement experts
- Rest on scientifically validated and reliable methodology (Correct answer)
- Have been approved by the state legislature
- Exclude any peer-reviewed criticism
Correct answer: Rest on scientifically validated and reliable methodology
Daubert requires expert testimony and scientific evidence to be based on validated, reliable methodology.
Under the Fourth Amendment, what legal standard must officers meet before conducting an SFST?