Comprehensive Guide to CVSA Use in Criminal & Administrative Investigations 2026/2027 | Study Guide | Voice Stress Analysis, Interview Techniques & Investigation Procedures | Verified A+

COMPREHENSIVE GUIDE TO CVSA USE IN CRIMINAL
AND ADMINISTRATIVE INVESTIG TIONS
1. Are CVSA results alone enough to arrest, discipline, or deny employment?


*Answer* No


— CVSA results alone are NOT suflcient.


2. What is the primary purpose of CVSA?


*Answer* To assist investigations by developing leads, verifying, corroborating, or refuting statements.


3. Can a suspect be forced to take a CVSA in a criminal investigation?


*Answer* No — it must be voluntary.



4. What is REQUIRED before a voluntary CVSA exam?


*Answer* The subject must sign Form APD 338 (Truth Verification Release).



5. When can CVSA be used in criminal cases?

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, *Answer* To identify/eliminate suspects and verify state-ments.


6. Should CVSA be used alone?


*Answer* No — it must be used with other investigative methods.


7. Can CVSA results be used for arrest or legal action?


*Answer* No — they cannot be the sole


determinant.


8. Who must approve a covert CVSA exam?


*Answer* CID Commander.


9. Can employees be REQUIRED to take a CVSA?


*Answer* Yes.


10. What happens if an employee refuses a CVSA?


*Answer* They may face disciplinary action.
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