To classify series cases according to the motive of the offender is more helpful to joint investigation work than according to characteristics of cases.
对系列案件按作案人的作案目的进行分类，比按案件性质进行分类更有利于串并侦查工作的开展。
2
General standards of joint acceptance of bribes: 1, an offender has already started to commit acceptance of bribes.
共同受贿犯罪未遂的一般标准：(1)共同受贿犯罪已经着手。
3
The kidnapping crime belongs to the pattern of continued crime, and there may be a continued joint principal offender and a continued accessory offender in the entire kidnapping process.