Pretty sure she was a LOOSE CANNON COP who DOESN’T PLAY BY THE RUUULLEES.

“You’re a loose cannon Toph, but you’re a damn good earth-bender!”

Being THE POLICE and MOST POWERFUL Earthbender, because at this point Bumi is (likely) dead, she's above the law in every way.

No I don't mean part of the police. Toph was The Police.