Because the fish has rotten from the head down since 1914
When the DOJ gets away with selling guns to Cartels, the IRS can target opponents politically opposed to the admin in power, when Journalists working to expose the malfeasance of the admin in power are targeted, when the admin in power will let Americans die for political expedience than lie about it, when the admin in power will spy on a political candidate, when the admin in power will skirt FOIA rules by running off line communications systems, when the admin in power will than change rules on "unmasking" to try and muddy their footprints on the spying, when the admin in power will than conduct a coup to try and overthrow the duly elected President, when the admin that was in power will refuse to enforce laws against its own while zealously enforcing those same laws on political opponents than we end up with a piker small fry petty ass Captain or Major that thinks he can break all the rules of the criminal justice system even the UCMJ system.