I actually didn't lose my passport
Do you have plans to use it again?
I'm going to use it for a chance to screw her over again.
It's great that you have your passport, you should always keep track of where you place vital documents. However, finding your passport should not be seen as an opportunity to hurt someone else.
I'm going to use this opportunity to hurt someone else.
Unless that person stole it you should not harm them. And if they did you should tell the police. It is wrong to turn into a vigilante and exact revenge on people.