TN Private Investigator key terms
TN Private Investigator · Get comfortable with the vocabulary.
- Tennessee Private Investigation and Polygraph Commission
- Related: Private Investigators Licensing and Regulatory Act, Unlicensed practice, Administrative complaint
The Tennessee board, housed in the Department of Commerce and Insurance, that issues licenses to private investigators and polygraph examiners, adopts rules, investigates complaints, and imposes discipline.
- Private Investigators Licensing and Regulatory Act
- Related: Tennessee Private Investigation and Polygraph Commission, Private investigator license
Tennessee's statute chapter, Tenn. Code Ann. Title 62, Chapter 26, that creates the licensing scheme for private investigators, defines prohibited conduct, and grants the Commission its enforcement authority.
- Private investigator license
- Related: Private investigation company license, Unlicensed practice
A credential the Commission issues to an individual who has met the statutory qualifications, allowing that person to conduct investigations for hire in Tennessee.
- Private investigation company license
- Related: Private investigator license, Tennessee Private Investigation and Polygraph Commission
A license the Commission issues to a business entity that offers investigative services, requiring the company to be affiliated with a licensed investigator and to comply with Commission rules.
- Polygraph examiner license
- Related: Tennessee Private Investigation and Polygraph Commission
A separate Commission credential required of a person who administers polygraph examinations in Tennessee; polygraph work is regulated alongside private investigation.
- Unlicensed practice
- Related: Private investigator license, Statutory exemption
Performing investigative services for hire without the required individual or company license; it exposes the person to Commission action, civil penalties, and criminal prosecution.
- Statutory exemption
- Related: Unlicensed practice
A provision of the licensing act that excuses a defined class of persons or activities from the license requirement; an investigator should confirm a claimed exemption before working unlicensed.
- Continuing education
- Related: Private investigator license
Ongoing training that licensees must complete and document in order to renew; the required hours and approved subject areas are set by statute and Commission rule.
- Administrative complaint
- Related: Unlicensed practice, Tennessee Private Investigation and Polygraph Commission
A formal allegation filed with the Commission that a licensee violated the licensing act or rules; it can lead to an investigation, a hearing, and sanctions such as reprimand, suspension, or revocation.
- Client intake
- Related: Engagement agreement, Conflict of interest, Scope of investigation
The first meeting with a client to learn the facts, identify the client's goal, check for conflicts, and decide whether the matter can lawfully be handled.
- Engagement agreement
- Related: Client intake, Scope of investigation
A written contract stating the parties, the services to be performed, fees and expenses, the expected time frame, and the limits on what the investigator will do.
- Scope of investigation
- Related: Engagement agreement, Investigative plan
The defined questions, subjects, time period, and limits of a case; it keeps the work lawful, focused, and within the client's instructions and budget.
- Investigative plan
- Related: Scope of investigation, Case file
A written outline of objectives, facts known and unknown, sources to contact, methods to use, legal limits, and time and cost estimates for a case.
- Skip trace
- Related: Public records request, Open-source intelligence
An effort to locate a person's current address, phone, employer, or assets using records, databases, and field inquiries, typically to serve process or collect a debt.
- Open-source intelligence
- Related: Public records request, Skip trace
Information gathered from publicly available sources such as court records, news, registries, and social media, collected without deception and documented as to source and date.
- Public records request
- Related: Open-source intelligence
A written request to a government agency for records that are open under Tennessee's public records law; the agency may charge for copies and may withhold records the law exempts.
- Pretexting
- Related: Impersonating a law enforcement officer, Limits of authority
Using a cover story or assumed role to obtain information from a person; it must never involve impersonating law enforcement or obtaining protected records by fraud.
- Case file
- Related: Contemporaneous notes, Chain of custody
The organized record of a case, including the agreement, notes, evidence records, reports, and correspondence, kept secure, indexed, and retained as long as the client, contract, or law requires.
- Evidence
- Related: Physical evidence, Digital evidence, Chain of custody
Any object, document, statement, or digital record that tends to prove or disprove a fact in dispute in an investigation or legal proceeding.
- Chain of custody
- Related: Evidence log, Contamination
The documented, unbroken record of who collected, handled, transferred, and stored an item of evidence, from seizure to final disposition, used to show it was not altered.
- Evidence log
- Related: Chain of custody
A running written record listing each item collected, when and where it was found, who collected it, and every transfer of custody with signatures and dates.
- Physical evidence
- Related: Evidence, Contamination
Tangible items such as tools, clothing, weapons, or samples; they must be photographed in place, packaged separately, labeled, and stored to prevent loss or change.
- Digital evidence
- Related: Evidence, Preservation letter
Data from phones, computers, cameras, or online accounts; proper handling includes documentation, working copies, hash values, and proof that originals were not altered.
- Contamination
- Related: Chain of custody, Evidence log
Any action that adds to, removes, or changes an item or scene, or breaks custody, weakening the value of the evidence and the investigator's credibility.
- Preservation letter
- Related: Digital evidence, Evidence
Written notice to a person or business asking them to hold records, video, or data that may be relevant, sent early to prevent routine deletion or destruction.
- Surveillance
- Related: Mobile surveillance, Static surveillance, Surveillance log
Systematic observation of a person or place to document activity, associations, or conditions, conducted from a lawful vantage point without harassment or trespass.
- Mobile surveillance
- Related: Surveillance, Surveillance log
Following a subject on foot or in a vehicle; it requires keeping distance, changing position or appearance, and driving safely to avoid detection and complaints.
- Static surveillance
- Related: Surveillance
Observation from a fixed position such as a vehicle, building, or public area, usually chosen for a clear view and a plausible reason to be present.
- Surveillance log
- Related: Surveillance, Contemporaneous notes
A time-stamped record of what the investigator observed, the location, weather, lighting, and any breaks, written so another person could reconstruct the watch.
- Witness interview
- Related: Contemporaneous notes, Hearsay
A planned conversation to gather a witness's account, using open questions first and then specifics, with the witness's own words recorded and clarified without suggestion.
- Contemporaneous notes
- Related: Investigative report, Surveillance log
Notes made during or immediately after an activity, capturing times, places, people, and exact quotes; they support later reports and may be discoverable.
- Investigative report
- Related: Contemporaneous notes, Hearsay
A factual, chronological written account of the investigation stating sources, observations, and findings, separating what was seen from what was concluded or reported by others.
- Hearsay
- Related: Witness interview, Investigative report
A statement made outside the courtroom that is offered to prove its content; investigators record such statements as reported information and try to confirm them through direct evidence.
- Confidentiality
- Related: Attorney work product, Conflict of interest
The duty not to disclose client information or case details except as the client authorizes or the law requires, including when a report is filed in court.
- Conflict of interest
- Related: Client intake, Confidentiality
A personal, financial, or prior relationship that could bias an investigation or appear to do so; it must be disclosed and usually requires declining the case.
- Attorney work product
- Related: Confidentiality
Materials prepared for a lawyer in anticipation of litigation, which may be shielded from disclosure; investigators engaged by counsel route their reports through that attorney.
- Impersonating a law enforcement officer
- Related: Pretexting, Limits of authority
Falsely presenting oneself as a police officer or other official; it is a crime and a licensing violation, and investigators must state their role honestly when required.
- One-party consent recording
- Related: Surveillance, Limits of authority
Tennessee's rule allowing a person who is part of a conversation to record it without the other side's permission; recording a conversation you are not part of is generally prohibited.
- Limits of authority
- Related: Impersonating a law enforcement officer, Pretexting
A licensed investigator has no police powers: no arrests, no searches, no compelled statements, and no access to protected records; authority comes from the client and the law.