Lawyers, as defenders, can put forward materials and opinions on innocence, light crime or reduction or exemption of criminal responsibility to criminal suspects and defendants according to facts and laws, and safeguard their legitimate rights and interests.
In addition, according to the needs of the case, lawyers can not only collect evidence by themselves, but also apply to the procuratorate and the court to collect and collect evidence or to the court to inform witnesses to testify in court.
To sum up, it is necessary to hire a lawyer.
For reference only.