(True and False)
1. Investigation of fraud should only take place when predication has first been established.

2. If possible, when using theft act investigation methods, interviewing the prime suspects should happen last.

3. Tailing includes the use of video, e-mail, wiretapping, and access to PCs.

4. Invigilation is a theft act investigative technique that involves close supervision of suspects during an examination period.

5. To get an accurate reading, it is generally agreed that the invigilation period should be at least four days in length.

6. In determining which investigative method to use, it is most important that investigators focus on the costs of each possible method.

7. Seizing and searching computers is illegal because it infringes on the rights guaranteed by the Fourth Amendment to the Constitution.

8. It is impossible to retrieve the data from a file that has been deleted on a computer.

9. The SHA-1 checksum method is more advanced and is considered more robust than the MD5 method.