(Title in Slovak - 'Rafinovana analyza zlocinov a trestov v prozach Jana Johanidesa (Zlocin plachej lesbicky, Holomraz, Trestajuci zlocin)'). The article focused on the motif of crime. Because of the motif some of Jan Johanides' fictions concern a basic plot typical for the detective genre. The article doesn't mean to interfere a discussion on the history and rules of the genre. Instead of that the intention is to identify some features of crime literature influencing in various ways and intensity and semantic field of the researched fictions. Their form the norm overlaps of the popular writings and it still keeps character of fine literature that becomes a demonstration of auctorial opinions and attitudes. The moral issue is a specific feature of the reflections.