1. If the content of the agreement is the expression of the true meaning of both parties, it can take effect with seal or fingerprint. For those who can't read, I suggest that you read the terms of the agreement to her, so that she can press her fingerprints without any dispute. But it's better to have a third person present, because she can't read. But you can also refuse.

2. The public security organ shall cooperate with the exercise of investigation power.