The agency has also learned that Jack was involved in a felony two years back. This is a phrase from the passage that suggests a reason due to which Jack may not be employed in the field of private security. Since Jack has been in trouble before regarding the law, he may have a harder time being employed by them.
Answer: Jack was involved in a felony two years back.
Explanation:
It is a requirment that your record is completely clean before taking a position in the legal system.