Dan Bongino, a former U.S. Secret Service agent who has penned best-selling books, ran unsuccessfully for office and gained fame as a conservative pundit with TV shows and a popular podcast, has been chosen to serve as FBI deputy director.

Several in the intelligence community have expressed concern over Bongino's lack of experience and support for conspiracy theories.

The selection places two staunch Trump allies atop the nation's premier federal law enforcement agency at a time when Democrats are concerned that the president could seek to target his adversaries