This Guidance is intended to provide guidance and practical information for authorities involved in the prosecution of cases of illegal traffic in hazardous or other wastes. Whilst the scope of the illegal transboundary trade in waste in is a focus of the Guidance, it is also intended to provide guidance in the prosecution of waste crime in general. Whilst the main audience for this Guidance are the prosecutors of waste crime, the Guidance should also be valuable for customs officials, investigators and relevant Ministries involved in waste related prosecutions.