Brent is a crime scene investigator. Which two documents must he attach to every item of evidence? With every item of evidence, Brent fills out a(n) search warrant , which includes the case number, description of the evidence, names of the suspect(s) and/or victim(s), date and time and signatures of the investigator and witnesses. He also fills out the evidence log document to ensure that the whereabouts of the evidence is accounted for at all times.