More than 800 pages of Patel's emails obtained by FOIA Files, from the Office of Director of National Intelligence, raise questions about whether he’ll weaponize the FBI to settle scores if he’s confirmed as the bureau’s next director.
Paywall but basically he declassified stuff if it seemed to benefit Trump and although not mentioned in the article I'd assume hide stuff if it didn't. He also demanded loyalty to the Trump agenda when hiring and showed very clear partisan preferences.