At the same time, there is no coercion and torture applied in many cases, and some suspects attempt to deny the confession which they have voluntarily made before but regret later, as to evade legal sanction.

• 但是，由于侦查人员讯问犯罪嫌疑人是在秘密状态下进行的，没有令人信服的证据可以证明在此过程中是否存在刑讯逼供或变相刑讯逼供的问题。