Significance of Modus Operandi and Offender’s Signature in Investigating Murders and Sexually Motivated Crimes
Mgr. Bc. Tomáš Nahodil, District Police Directorate Prague II, Criminal Investigation Police, the Department of General Crime

This article deals with determination of modus operandi and elements of offender personalization, especially signature of an offender and his ritual behavior, their mutual differentiation and explication of these terms significance in investigating sexually motivated homicides and other sexually motivated violent crimes.
Keywords: modus operandi, offender personalization, signature, ritual behavior, expiation.