Fraud – cases of being revealed could save a company millions in payments.
Investments
Help to make decisions investing money
Law Enforcement
Cold cases.
Determine who should, or should not, be investigated: Knowledge of what happened, or if not involved, it will become known. Names of individuals involved may become known. Method of the crime. Motivation of a crime. Locations may become known.
Parole boards.
Media
Personal Development
Insight, and advice, on important life decisions.
Politics
Private investigators
Psychotherapy
Help uncover repressed memories, and the root of behavior problems. Reducing therapy time by months, or years.