Introduction -- Skills needed to become a successful investigator -- Foundations of investigation -- Interviews, interrogation, and taking statements -- Legal investigations -- Fraud investigation -- Computer crime -- Criminal investigation -- Death investigation -- Terrorism investigations -- Insurance and arson investigation -- Domestic investigations -- Due diligence and background investigations -- Locates and skip tracing -- Surveillance -- Service of process -- Testifying in court -- Ethics -- Finding a niche -- Getting licensed -- Operating a professional investigative agency -- Professional associations

1. Criminal investigation
2. Private investigators -- United States -- handbooks
3. manuals
4. etc