刑事诉讼程序对于确保有效打击犯罪、保障犯罪嫌疑人合法权益具有十分重要的意义。但是,司法实践中,形形色色的刑事案件,特别是跨地区犯罪案件常常给司法机关带来刑事程序方面的疑难问题,比如,案件起诉后,外地公安机关发现被告人重大犯罪事实该如何处理,就是一个经常遇到的问题,本刊特邀专家对此问题进行研讨。 Criminal procedure plays an important role in ensuring effective crackdown on crimes and safeguarding the legitimate rights and interests of criminal suspects. However, in judicial practice, all kinds of criminal cases, especially trans-regional criminal cases, often bring difficult problems in criminal procedure to judicial organs. For example, after the prosecution of a case, the public security organs in the field find out what the facts about the major crime in the accused should be. A frequently encountered problem, this journal invited experts to discuss this issue.