2. In the investigation stage, the lawyer's complaint refers to the lawyer's representative's complaint about the substantive defense content learned through the meeting, which generally forms a written complaint and is submitted to the case-handling organ after being signed and sealed by the criminal suspect.
3. Difference: The difference between the two is mainly reflected in criminal legal literacy and defense language skills. No matter at any stage of litigation, the role of criminal defense lawyers is to find all the facts and plots that are beneficial to criminal suspects and defendants, and explain them clearly to the case-handling organs concisely, reasonably, reasonably and forcefully-which requires certain criminal legal literacy and defense language skills. .