在我国司法实践中,专门机关及其工作人员进行刑事诉讼的主要目的在于确认是否发生了犯罪及其性质、何人实施了犯罪及其实施经过等,而很难做到全面收集量刑证据方面的证据。 In our country’s judicial practice, the main purpose of specialized agencies and their staff to carry out criminal proceedings is to confirm whether there has been a crime and its nature, who committed the crime and its implementation, and so on, and it is very difficult to obtain evidence on the collection of sentencing evidence in an all-round way .