Trump picks Dan Bongino to serve as FBI chief Kash Patel's deputy director. Why his appointment is controversial?

US President Donald Trump picked Dan Bongion to serve as FBI Chief Kash Patel's deputy director. Bongino is known as a staunch Trump backer and an outspoken political commentator but his appointment is controversial. Bongino also publicly claimed the 2020 election was “rigged" and also called the FBI "irredeemably corrupt".