Investigating the crime scene is no different than other work related tasks such as exchanging a motor in a car, painting a landscape scene or preparing a meal. There are certain tasks related to each work objective. Processing the crime scene in an intricate task function.

The investigator has authority to determine the extent and nature of the services needed at the crime scene. This includes what technical procedures to follow and what specialized equipment, lighting, auxiliary power, etc. to use.

Each crime scene is different and may require a different approach. However, there is a basic crime scene protocol that should be adhered. This basic outline should be used in all crime scenes. Whether the crime scene is a recovered stolen vehicle or a multiple homicide where several crime scenes are involved, the basic process is the same.

The basic functions or tasks are as follows

1. INTERVIEW
2. EXAMINE
3. PHOTOGRAPH
4. SKETCH
5. PROCESS