1. Blackshaw , R.E. 1996 ‘Criminological aspects of contract assassination’ (unpublished MA thesis in criminological studies, School of Law and Legal Studies, Faculty of Economics, Education and Social Sciences, La Trobe University, Victoria, Australia)
2. ‘The phenomenology of paid killing;Calhoun;International Journal of Human Rights,2002
3. ‘Killing for money and the economic theory of crime;Cameron;Review of Social Economy,2013