Key facts
- John Yoo will advise diGenova on a probe into inquiries concerning Donald Trump's 2016 campaign and Russia.
- DiGenova previously served as U.S. attorney for D.C. from 1983 to 1988.
- Yoo is known for his legal opinions defending 'enhanced interrogation techniques' during the George W. Bush administration.
- The Justice Department did not immediately comment on Yoo's role or the investigation's status.
John Yoo, a former national security attorney in the George W. Bush administration known for his controversial legal opinions, will advise diGenova on an investigation into inquiries concerning Donald Trump's 2016 campaign and alleged ties to Russia. DiGenova previously served as the U.S. attorney for D.C. from 1983 to 1988.
Yoo gained prominence for memos defending the legality of so-called 'enhanced interrogation techniques,' which the Justice Department later formally withdrew, concluding he had shown 'poor judgment.'