The question of the use of visual aids to portray argument from and about evidence (e.g., evidentiary argument at trial or on appeal) is an important one. Timothy van Gelder has a post that is pertinent to this issue: Argument Maps versus Argument Infographics.
Student of the law of evidence, evidence, inference, and investigation. Sometimes writes books. Sometimes writes articles. Sometimes tinkers with computer programs to support the marshaling of evidence for legal activities such as trials and pretrial discovery and investigation. And sometimes takes photographs.