Acquisition of weapons and explosives by Islamic terrorists

The leaders of the global jihad reveal a growing interest in the use of weapons causing the greatest damage and losses in the civilian population [1]. Al-Qaeda since the early 90s of the twentieth century was interested in buying weapons of mass destruction or components necessary to produce it [2]. Already in 1999 Osama bin Laden said that acquire nuclear and chemical weapons is a religious duty [3]. Nets of islamists also manipulate public opinion by threatening to use chemical, biological, radiological and nuclear (CBRN) [4,5]. Although these actions are purely propaganda and are part of the psychological warfare, the fact is that this grid they make progress in planning the increasingly sophisticated methods of attacks.