On the “post-dictive use” of the fault tree method for accident investigation to aid judicial procedures

► Fault Tree (FT) adaptation to forensic and investigation applications is presented. ► We use FT for a real event, in a reverse mode respect to the forecast case. ► This is the case of a judicial procedure, following an incident or an accident. ► Investigation evidences are incorporated in the FT, which is greatly simplified. ► The remaining FT branches are the possible causes of the incident investigated.