Crime Scene Investigators must be able to emotionally remain in control during stressful situations at the crime scene. They will work whenever and wherever crime occurs, indoors or outdoors, day, or night. Types of crime scenes include person crimes, such as homicides, sexual assaults and robberies, as well as property crimes and traffic accidents. Always on call at a moment's notice, the Crime Scene Division processes, photographs and records crime scenes showing correlations between evidence and scene, preserving the evidence and preparing reports. A Crime Scene Investigators testify before the Grand Jury and in criminal courts as witnesses to the work performed. The Crime Scene Division is responsible for the evaluation of the scene and uses various types of scientific equipment to develop, secure, and package physical evidence for evaluation and comparison. They prepare detailed reports about observations and activities at the scene for the law enforcement agency responsible for the investigation of the crime. They also advise and give directions to case investigators regarding crime scenes and for evidentiary issues.