Why Did The FBI Ransack Trump's House?

The FBI raid on Trump's home in Palm Beach, Florida is sure to galvanize his supporters who already see him as the target of multiple witch hunts and trumped up investigations. The only people who will see this raid as negative for Trump are those who wouldn't consider voting for him to begin with. So with that said, what was the real goal behind this FBI stunt? What do any of Trump's enemies think they have to gain from this?

https://nypost.com/2022/08/09/judge-who-approved-fbi-raid-on-mar-a-lago-once-linked-to-jeffrey-epstein/