Last week, Trump supporters stormed the Capitol, causing mayhem and death.
Turns out, not really (viaCNN).
The general scuttlebutt around social media seems to be that impeachment and removal would stop him from running again.

However, as much as some may want that to be true, the reality is different.
I think so, BUT …
It has never been decided by any court or Congress (no POTUS has been convicted by Senate).

Some legal scholars say a convicted/DQ’d POTUS can be elected again."