退回补充侦查，是指人民检察院依法将案件退回给原移送审查起诉的侦查机关进行的补充侦查，包括刑事诉讼法第６８条规定的审查批捕时不批准逮捕退回并通知侦查机关补充侦查和刑事诉讼法第１４０条规定的人民检察院审查起诉时对于证据材料不足需要补充侦查而决定退回侦查机... Refund supplementary investigation refers to the supplementary investigation carried out by the People’s Procuratorate according to law to the investigating organ that originally transferred the case for examination and prosecution, including when the investigation and arrest as prescribed in Article 68 of the Criminal Procedure Law do not approve the arrest and return and notify the investigation organ to supplement the investigation and criminal proceedings Article 140 of the People’s Procuratorate to examine the prosecution for the lack of evidence of the need for additional investigation and decided to return the investigation machine ...