What you said is roughly what you said. This is a clue at best. This clue department can directly prove that it meets the filing criteria, so it is really easy to file a case.
I wonder if the police can determine the specific location according to the electric signal.
can
Come and help find it.
No, the use of the positioning means you mentioned needs the approval of the superior, but the premise of the approval of the superior is that the case has been filed.
3. How can we persuade students to file a case?
I don't know why you reported it.
Logically speaking, if it is illegal detention, it is no problem to provide evidence that the person has indeed lost his personal freedom.
If there is evidence that they extort money, it is no problem to report the kidnapping directly.
If you have the above evidence and do not file a case, you can take administrative reconsideration or bring a lawsuit.