Bob Smith is suspected of using his company's Internet facilities as a conduit for sending large quantities of SPAM to millions of users. You are called in to examine his computer to see if there is evidence to support this claim. This is initially a form of what type of investigation?

"Internal Investigation" is the correct answer to the given question.

Explanation:

An internal investigation is a type of investigation which is conducted by the organization to checking that proper laws and rules are followed in the organization or not if the proper laws and rules are not followed in the correct way they correct it by examining the main problem in the organization.

As Bob Smith is detected the problem in the Internet facilities they sending large quantities of the SPAM to the millions of users so they claim an inquiry of internal investigation in the organization to check the problem and correct it into the proper way.