John Bolton ripped Donald Trump for being played by Vladimir Putin in the hours before FBI agents raided his home on Friday morning. The president’s ex-national security adviser turned nemesis appeared on CNN on Thursday night to discuss a Truth Social post in which Trump seemed to urge Ukraine to go on the offensive against Russia.

On Aug. 22, President Donald Trump's former security adviser John Bolton's home was raided by the FBI. Here's everything to know about John Bolton, and why his home was raided.

President Trump and John Bolton's rocky relationship stretches back years and includes recent clashes over Bolton's criticism of Trump's summit with Vladimir Putin.