1. Recording evidence collection process: During the evidence collection process, the content of the statement of the party, the time and place of evidence collection, and the information of the person who collected evidence should be recorded in detail. This can provide evidence for subsequent comparisons.
2. Establish audio and video recording: It is best to conduct audio or video recording during the process of collecting confessions to ensure that the content collected is complete and accurate.
3. Third-party witnesses: Third-party impartial institutions or witnesses can be invited to witness the collection process of confessions to prove the legality and authenticity of the collection process.
4. Identification and comparison: Professional comparison of the two confessions, including similarities in language expression, wording, time clues, etc. You can ask a professional linguist or forensic doctor for identification.
5. Investigation and verification: It can be investigated whether other people may have participated in or influenced the content of the confession during the collection of the confession, or whether other people have passed on relevant information to the parties before the confession. , causing the two confessions to be similar.