The law enforcement powers held by the sheriff supersede those of any agent, officer, elected official or employee from any level of government
A constitutional sheriff is one who takes seriously the upholding of the supreme law of the land, the Constitution of the United States. They are charged with defending life, liberty and, as globalist objectives come more into focus, property. The law enforcement powers held by the sheriff supersede those of any agent, officer, elected official or employee from any level of government when in the jurisdiction of the county. That includes the President. It is due to the vertical separation of powers in the Constitution. Look at it as a sort of pyramid with narrower or more limited responsibilities as you go up the pyramid.
As to government by executive order (EO), there is no constitutional provision or statute that permits executive orders in the Constitution. It traditionally was used as directives as to the management of operations within the federal government. The first executive order was issued on June 8,1789 by George Washington to heads of federal departments. It reads:
"...impress me with a full, precise, and distinct general idea of the affairs of the United States in their fields."
An EO is not for making or interpreting law. The executive branch is tasked with enforcing existing law, not creating new law. All executive orders must be supported by the Constitution. Attempts to block executive orders have happened and been successful, especially when such orders could be better handled by legislation. President Harry Truman's Executive Order 10340 placed all the country's steel mills under federal control. It was found to be unconstitutional because it attempted to make law rather than enforce the law.