quotes. let's fill in the blanks
the quote is the footnote on page 15 going into 16
https://www.investors.com/wp-content/uploads/2018/07/D1Release.pdf
notice the FBI said hired by a US-based law firm. The FBI knew who also had hired that lawfirm as well - and did not disclose it.
you also left out the first part of the last sentence, "The FBI speculates [actually, they knew in fact because STEELE TOLD THEM DIRECTLY] that the US person was likely looking for information that could be used to discredit"