Lawful evil is a tendency in RPG alignments that denotes a lawful behavior (ethics) in the chaotic-lawful axis and evil morality in the good-evil axis.
A lawful evil dictator that rules with an iron fist and oppresses its people is an example of lawful evil creature.
Screwing people over using the rules for personal gain.
The GOP trying to get the market to collapse is Lawful Evil, as is a politician who ruins people's lives to promote their agenda.