For example, you didn't write what you wrote. As a literate person, why not write it yourself? Generally, IOUs should be printed by hand. Why not have this?

As long as the police are willing to investigate, there will be loopholes.

Really can't fake, really can't fake. He can't pass the polygraph either. He can't defend himself.

And perjury. You can warn him if you want to go to jail.

If it is a large sum of money, you can use your life to recover this nonexistent loan, because if he does, your family is likely to be destroyed, and it is estimated that he will not dare to do so. If the amount is large, you have to go to prison for several years. Most people don't do this.

Don't worry too much.