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Female Private Investigator in Los Angeles
Confidential, professional investigative support from Anita Blaum, backed by more than 30 years of private investigation experience.
Explore serviceAbout ATB Investigations
Anita Blaum has more than 30 years of experience in private investigation work. Through ATB Investigations, she helps clients address sensitive questions with professionalism, discretion, and careful attention to evidence.

Experience and approach
Clients often contact an investigator during stressful or uncertain circumstances. Anita provides a direct and respectful point of contact, listens carefully to the situation, and helps define the factual questions an investigation may be able to answer.
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Each engagement begins by reviewing the client’s objective, available information, urgency, and intended use of the findings. The proposed scope is based on lawful investigative methods and realistic expectations. No result is guaranteed, and no assignment justifies unauthorized access, deception that violates the law, or an implication of police authority.
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ATB Investigations operates under California Private Investigator license PI #24646. Prospective clients are encouraged to verify credentials and ask questions about scope, communication, documentation, and fees before authorizing work.
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Sensitive information is requested only when relevant to evaluating or performing an assignment. Investigation services are not legal advice, and clients should involve qualified counsel when a matter requires legal interpretation or litigation strategy.
Professional qualifications
How we can help
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Investigation video library
Watch examples covering surveillance, insurance-fraud inquiries, and the documentation of relevant claim evidence.
Questions, answered
ATB Investigations treats consultation information discreetly and requests only information relevant to evaluating the matter. Specific questions about legal privilege should be discussed with qualified counsel.
Depending on the facts and lawful scope, work may include surveillance, background research, family-related fact gathering, fraud inquiries, online research, locate investigations, and digital-evidence matters.
Anita Blaum provides the primary client contact. Assignment details depend on scope, safety, location, required expertise, and availability and should be confirmed during consultation.
Prepare a concise timeline, relevant names, available documents or communications, and the specific question you need the investigation to address. Do not obtain information unlawfully.
No. An investigator can collect and document facts within an authorized scope but does not replace an attorney or provide legal strategy.
Cost depends on scope, time, location, required methods, and complexity. ATB Investigations reviews the objective before discussing an appropriate scope and fee arrangement.
Timing varies with the objective, availability of records or subjects, and changing case circumstances. No responsible investigator can promise a universal completion time.
No. An investigator can pursue an agreed lawful scope and document findings but cannot guarantee that evidence will confirm a belief or produce a desired outcome.
Ask for the investigator’s license number and verify it with the appropriate state licensing authority. ATB Investigations identifies its California private investigator license as PI #24646.
Investigation findings may assist counsel or a legal matter when collected and documented appropriately, but admissibility is decided under applicable law and court rules. Coordinate with your attorney before work begins.
Confidential case assessment
Speak directly with Anita Blaum about the facts, timing, and lawful options for your matter.
Call for a confidential consultation
No guarantees or pressure—just a practical assessment of your options.