They do not apply the Mexican joke “I kill people for money; but you, my best friend, I will kill you for nothing!”. They are the private “warriors” who always charge for their services.
Powerful militaries, key government agencies, large corporations and business and even individuals are increasingly outsourcing aspects of their security to private companies, which rely on a kind of private armies made of 20-25 million persons. Their growing and even dubious activities are poorly documented.
Small Arms Survey (SAS), an independent research project located at the Graduate Institute of International and Development Studies in Geneva, has prepared a study on this issue, attempting to shed light on a poorly documented aspect of the global private security industry: its use of arms.