Those are the ones that were high profile enough to warrant a Wikipedia page, it's not exhaustive. Here's a more comprehensive database: https://policecrime.bgsu.edu/
You're still citing arrested, not charged and convicted though. Those are all different, with no guarantee of the officers facing repercussions beyond a brief arrest. While those are still consequences, they have to be consistently applied (which they don't seem to be for police officers in America) or have consequences for consistently poorly behaved officers