“…Testing various theoretical hypotheses has been in the centre of research (i.e. Social control, anomie theory, learning theory and so on), while some researchers have introduced new concepts (cognitive dissonance, legitimacy, victim precipitation) (Kivivuori, Savolainen & Danielsson, 2012). Various academics have studied homicide subtypes according to the relationship between the victim, with the majority of the research focusing on intimate partner homicides, perpetrator and homicide subtypes according to motive (Decker, 1996), behavioural classification systems (Salfati & Canter, 1999;Salfati, 2000;Santtila et al, 2001), offence and offender typologies (Horning, Salfati & Labuschagne, 2015) and various individual factors (c.f.…”