Sheriffs are elected officials so its harder to remove them.

It's worth noting that some sheriffs are appointed. "Mayor Eric Adams is standing by his appointee, New York City Sheriff Anthony Miranda. NY1 has learned the city's [DOI] has opened a probe into how seized cash has been handled by the Sheriff’s Office after illegal smoke shop raids."

NYC sheriff under investigation over illegal smoke shop raids

NY1 has learned the Department of Investigation has opened a probe into how seized cash has been handled by the Sheriff’s Office.

In many counties only the coroner, who is also elected, can even arrest the sheriff!