How would you know? You don't know. You are impulsive. You came to a conclusion without asking anything more.
You, sir, are ignorant of the full facts.
Offer the police a cut of what you can recover. The police here are well known for certain talents. I'm assuming your x wife is Thai. Thais are afraid of the police. Use it to your advantage.
Stop listening to fools and miscreants. Listen only to me.
Go to the police. Embellish your story so it is in your favor.
You have nothing more to lose.