当前，违法违纪案件、特别是经济大案要案呈现一个明显特点，即窝案、串案逐渐增多。这类案件由于涉案人员多、范围广、违法违纪金额大、案情交叉、关系复杂，因而查办的难度较大，产生的社会影响也大。认真分析、研究此类案件的特点及发案规律，有针对性地采取相应的查处对策 At present, the law and discipline cases, especially the major economic cases, show an obvious feature: the number of cases of litigation and the number of cases of series increases gradually. Since these cases involve a large number of people, a wide range of crimes, large amounts of law and discipline, complicated cases and complicated relations, it is more difficult to conduct investigations and has a great social impact. Carefully analyze and study the characteristics of such cases and the law of the case, and take corresponding measures to investigate and deal with them