If you write a letter to the people in the detention center and personally deliver it to the uncle at the door, will he immediately hand it over to the people inside? Or wait a few days to give it to

If you write a letter to the people in the detention center and personally deliver it to the uncle at the door, will he immediately hand it over to the people inside? Or wait a few days to give it to him? The suspects held in the detention center are all suspects who are being questioned by the public security organs! No right to communicate, no right to meet, no right to meet. When the investigation by the public security organ is over, it is handed over to the procuratorial organ, and the criminal is arrested and prosecuted according to the criminal procedure law. Finally, the people's court decides according to law and sends him to prison to serve his sentence, so he has the right to communicate and meet. You have to see him when he is serving his sentence, but if you give a letter, it must be checked by the prison police and given to him!