15. 专家组认为在一些关键方面需要进一步的资料。需要有关这一问题的总体范围、程度或严重性的一般资料。这包括犯罪或事件在数量上的严重程度和某些重大事件的严重程度的资料。还包括有关跨国因素的性质和范围的资料，因为国际社会没有必要作出共同努力以制定一项法律文书或采取其他此类行动来处理纯属国内性质的与爆炸物有关的事件。涉及的跨国性质可能是多种多样的，从单纯的走私实际爆炸物到有组织犯罪集团与其他跨国势力参与其他国内事件。从广义上讲，甚至可包括将有关如何制造爆炸物或爆炸装置的资料从一国转移到另一国。专家组决定对范围比较宽泛的跨国方面进行审议。
15. The Group of Experts felt that further information was needed on several key points. General information regarding the overall scope, extent or seriousness of the problem was needed. That included seriousness both in terms of the numbers of offences or incidents, and in terms of the seriousness of some of the major occurrences. It also included information about the nature and extent of transnational elements, since concerted efforts by the international community to produce a legal instrument or take other such action would not be necessary to deal with explosive-related incidents of a purely domestic nature. The nature of transnational involvement could vary, ranging from the simple smuggling of actual explosives, to the involvement of organized criminal groups with other transnational interests in otherwise domestic incidents. On the broadest interpretation, it could even involve the simple transfer of information about how to make explosives or explosive devices from one country to another. The Group decided to consider a relatively wide range of transnational aspects.