Investigator would use undercover operations when large scale fraud is likely and other investigation methods fail. Controls are made so strict that opportunities to commit fraud are virtually impossible.
An investigation is a comprehensive search for facts, particularly those that are hidden or must be resolved in a complicated situation. An inquiry is generally conducted to uncover how or why something occurred.
When large-scale fraud is likely and normal investigation methods fail, investigators will deploy undercover operations. Controls are implemented in such a way that chances for fraud are almost eliminated.
Therefore, it can be concluded that when large scale fraud is likely and other investigation methods fail.
Learn more about investigation here:
https://brainly.com/question/28054071
#SPJ4
