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 Hurricane required the validation of a CHS when the person was opened as a source. Validation included documenting the person’s criminal record and motivation for providing information.” [sic] Because a source’s reliability can change, the guidelines directed the FBI to review each CHS’s file “at least annually” and “ensure that all available information that might materially alter a prior validation assessment … is promptly reported” to a supervisor and documented.

The guidelines also required that an FBI agent instruct the CHS. Because the instructions are important, another agent or official was to be present as a witness. The agent was to direct the CHS to provide truthful information and to “abide by the instructions of the FBI.” If the FBI compensated the CHS, the CHS was “liable for any taxes that may be owed.” The guidelines explained that “[t]he content and meaning of each of the … instructions must be clearly conveyed” to the CHS. Immediately afterward, the agent “shall require” the CHS “to acknowledge his or her receipt and understanding of the instructions.”