The IAEA Nuclear Security Series (NSS) No. 22-G,?Implementing Guide on Radiological Crime Scene Management, published in 2014, presents guidance on the safe, secure, effective and efficient operations at a crime scene where nuclear and other radioactive material are known or suspected to be present.The guidance covers assessment, confirmation, identification and mitigation of hazards as well as exploitation of a radiological crime scene. In particular, NSS No. 22-G highlights that detection systems and measures should be based on a risk informed approach and addresses situations in which the material originates from both within and outside the State. This publication increased awareness surrounding procedures for notification of relevant agencies, coordination for dealing with the radioactive material as evidence and other difficulties associated with the respective nuclear security event, as well as developing plans for the same.