OH Private Investigator key terms
OH Private Investigator · Get comfortable with the vocabulary.
- PISGS
- Related: Class A license, Registered employee, Administrative discipline
The Private Investigator Security Guard Services section of the Ohio Department of Public Safety. It licenses investigation and security-guard businesses, registers their employees, issues identification credentials, investigates complaints, and imposes discipline for violations of Ohio law and administrative rules.
- Class A license
- Related: Class B license, Class C license, Sponsoring licensee
An Ohio business license authorizing the holder to operate a private investigation business and to sponsor registered investigator employees. It does not authorize security-guard services, which require a different class of license.
- Class B license
- Related: Class A license, Class C license
An Ohio business license authorizing the holder to provide security-guard services and to sponsor registered security employees. It does not authorize private investigation work for hire.
- Class C license
- Related: Class A license, Class B license
An Ohio business license that combines private investigation and security-guard authority, allowing one licensed business to offer both services and to sponsor employees in either category.
- Registered employee
- Related: Sponsoring licensee, PISGS identification card
An individual whose registration has been approved by PISGS to perform investigative or security work under a licensed business. Registration is personal, tied to the sponsoring licensee, and does not by itself permit independent practice.
- Sponsoring licensee
- Related: Registered employee, Class A license
The licensed business that employs or contracts a registered employee and is responsible for supervising the work, keeping required records, and ensuring the employee complies with Ohio licensing rules.
- PISGS identification card
- Related: Registered employee, Unlicensed practice
A credential issued by the state to a registered employee showing the employee's name, photograph, registration status, and employer. Employees are expected to carry it while working and to present it on request to clients, police, or the state.
- Unlicensed practice
- Related: Class A license, Registered employee
Performing private investigation services for hire, or advertising them, without a valid Ohio license or outside a sponsoring licensee. It exposes the person to criminal penalties and administrative action.
- Administrative discipline
- Related: PISGS, Unlicensed practice
Sanctions PISGS may impose on a licensee or registered employee for violating licensing law or rules, such as reprimand, fines, suspension, revocation, or refusal to renew, after notice and an opportunity to be heard.
- Engagement agreement
- Related: Case file, Investigative plan
A written contract between the investigator and the client that defines scope of work, fees, limitations, confidentiality expectations, and client responsibilities. It reduces disputes and documents what the investigator was and was not hired to do.
- Case file
- Related: Engagement agreement, Surveillance log
The organized collection of all records for one matter, including notes, reports, evidence receipts, correspondence, invoices, and images, kept so the work can be reconstructed, defended, or produced if subpoenaed.
- Investigative plan
- Related: Engagement agreement, Case file
A written outline of objectives, facts to verify, sources to contact, methods to use, legal limits, budget, and timeline. It keeps work focused and gives a baseline for adjusting when new information appears.
- Skip trace
- Related: Public records request, DPPA
The process of locating a person whose current address or contact information is unknown, typically using public records, databases, interviews, and surveillance while staying within privacy and consumer-reporting law.
- Pretext interview
- Related: Signed statement, Trespass
An interview in which the investigator conceals his or her true identity or purpose to obtain information. It may be lawful in many settings but cannot involve impersonating law enforcement or obtaining protected records by deception.
- Public records request
- Related: Skip trace, Case file
A written demand under Ohio's Public Records Act for copies of records held by a public office. The office must respond within a reasonable time and may charge copying costs, but may withhold records covered by specific exemptions.
- Signed statement
- Related: Pretext interview, Contemporaneous notes
A witness's own account of events, written down and acknowledged by signature, usually dated and confirmed as true and voluntary. It is more durable evidence than the investigator's summary of the conversation.
- Chain of custody
- Related: Evidence log, Sealed evidence package
The documented, unbroken record of who handled an item of evidence, when, and where, from collection through final disposition. Gaps or unexplained transfers weaken the item's value and can make it inadmissible.
- Evidence log
- Related: Chain of custody, Sealed evidence package
A running written register recording each item collected or received, including description, source, date, time, place, collector, and every later transfer. It is the backbone of the chain of custody.
- Sealed evidence package
- Related: Chain of custody, Evidence log
An item placed in a container, marked with identifying information across the seal, and signed by the person who sealed it so any later opening is visible. It deters tampering and helps prove continuity.
- Spoliation
- Related: Case file, Hash value
The loss, alteration, or destruction of evidence that a party knew or should have known might be relevant to litigation. It can lead to sanctions or adverse inferences, so material must be preserved once a dispute is foreseeable.
- Hash value
- Related: Spoliation, Chain of custody
A short digital fingerprint calculated from a file's contents. Any change to the file produces a different value, so matching hashes before and after copying help show that digital evidence was not altered.
- Static surveillance
- Related: Mobile surveillance, Surveillance log
Observation from a fixed position, such as a parked vehicle or rented room, used to record activity at one place over time. It suits pattern-of-life work but risks compromise if the position is reused.
- Mobile surveillance
- Related: Static surveillance, Counter-surveillance
Following a subject on foot or in a vehicle to document movements. It requires spacing, lane discipline, and cover for traffic and terrain, and it ends once the investigator is detected.
- Surveillance log
- Related: Mobile surveillance, Contemporaneous notes
A chronological record of observations kept during or immediately after surveillance, listing times, locations, subject descriptions, actions, weather, and equipment used. It supports the later report and refreshes memory for testimony.
- Counter-surveillance
- Related: Mobile surveillance, Static surveillance
Techniques a subject uses to detect or defeat being watched, such as route reversal, sudden stops, or scanning for followers. Investigators treat these behaviors as clues and adjust to avoid disclosure.
- One-party consent recording
- Related: Reasonable expectation of privacy, Menacing by stalking
Ohio's rule allowing a person who is a party to a conversation to record it without the other participants' permission. Recording a conversation you are not part of generally requires consent and may be a crime.
- Trespass
- Related: Reasonable expectation of privacy, Pretext interview
Entering or remaining on another's property without permission or legal authority. It limits surveillance positions and pretext approaches, so consent, a warrant, or a recognized exception must support any entry.
- Reasonable expectation of privacy
- Related: Trespass, One-party consent recording
A standard for judging whether a person's conduct or location is protected from intrusion. Places and activities exposed to public view generally lack that protection, while homes, closed containers, and private communications usually have it.
- Menacing by stalking
- Related: Trespass, One-party consent recording
An Ohio offense involving a pattern of conduct that causes another person to believe they will suffer physical harm or mental distress. Investigation activity that continues after notice to stop can cross into this offense.
- FCRA
- Related: Skip trace, DPPA
The federal Fair Credit Reporting Act governs consumer reports, including background checks prepared by third parties for employment or tenant screening. It sets disclosure, authorization, accuracy, and adverse-action requirements investigators must follow.
- DPPA
- Related: Skip trace, FCRA
The federal Driver's Privacy Protection Act restricts disclosure of personal information from motor-vehicle records. Investigators seeking such data must fit within a permitted purpose and keep records of the request.
- Contemporaneous notes
- Related: Narrative report, Surveillance log
Notes made while events are happening or immediately afterward, recording what was seen or heard without later embellishment. Their closeness to the events makes them credible and useful for refreshing memory.
- Narrative report
- Related: Contemporaneous notes, Case file
A written account of an investigation organized chronologically or by topic, stating facts, sources, methods, and conclusions in neutral language and separating directly observed facts from secondhand information.
- Firearm-bearer endorsement
- Related: Registered employee, Deadly force
An authorization added to a registered employee's credentials permitting the employee to carry a firearm while on duty, granted after required training, a background check, and qualification with the weapon.
- Justifiable use of force
- Related: Deadly force, Firearm-bearer endorsement
Force that Ohio law permits a person to use in self-defense or defense of others when facing unlawful force, generally limited to what is reasonably necessary and proportionate to the threat perceived.
- Deadly force
- Related: Justifiable use of force, Firearm-bearer endorsement
Force intended or likely to cause death or serious physical harm. Ohio limits its justified use to situations involving imminent death or serious harm, and the person using it must be able to explain why it was necessary.
- Surety bond
- Related: Certificate of insurance, Class A license
A bond filed with the state as a condition of licensure that creates a fund for clients harmed by certain conduct of the licensee. It is not insurance and does not cover every type of loss.
- Certificate of insurance
- Related: Surety bond, Ohio Bureau of Workers' Compensation coverage
Proof from an insurer that a required policy is in force, showing coverage types, limits, and effective dates. Licensees must maintain the coverage Ohio requires and be able to demonstrate it on request.
- Ohio Bureau of Workers' Compensation coverage
- Related: Certificate of insurance, Sponsoring licensee
State-mandated injury insurance for employees. A licensed business must have active coverage or an approved self-insured plan in place before registered employees may work.