1. The fraud triangle plus inquiry paradigm is an effective way to understand the various types of fraud investigation methods. 2. One advantage of using a vulnerability chart is that it forces investigators to consider all aspects of a fraud. 3. Electronic surveillance can be of limited value in the investigation of employee fraud because of concerns regarding employees' privacy rights. 4. Surveillance is a theft investigation technique that relies on the examination of documents. 5. Mobile surveillance is usually much more risky than stationary surveillance. 6. During invigilation, no controls are imposed on any activities. 7. Surveillance logs should always be prepared before an investigation begins. 8. Not only are undercover operations both legal and valid, but also inexpensive. 9. Investigation should only take place when predication of fraud has first been established. 10. If possible, when using theft act investigation meth-ods, interviewing the prime suspects should happen last