To beat them, be like them
This thought also gives birth to the universal saying ‘Keep your friends close and enemies closer’.
When you’re seeking revenge or looking to get back at someone for their wrong doing, you need to have a strategy at hand, map their moves, understand their psychology and then counteract accordingly. It’s better to be prepared, no matter what’s the game you’re playing.
It’s often said that to know where the thief will strike next, you need to think like one. The same rule applies here as well. Join the gang, think like them and then strike when the time is right!