LEARNING OBJECTIVES: Explain the meaning of observation, and describe the techniques used in observation and description. Explain the importance of accurately evaluating the data provided by witnesses. Describe the techniques that should be used for a lineup.
In security job observation means perception of details pertaining to persons, objects, plans, and events through the use of the five senses. An investigator makes descriptions to convey to others his or her own observations or the observations of witnesses as reported to the investigator. Identification by a witness or victim is the art of establishing the relationship of a person, place, object, or event to an incident or offense.
OBSERVATION TECHNIQUES
As observation techniques are accomplished through the use of the five senses, sight and hearing are relied upon most often. The senses of taste, smell, and touch may occasionally be used advantageously.
The investigator must be able to observe accurately to recognize infractions of the law, persons, and objects of interest to law enforcement and crime prevention programs. Keen observation is necessary to perceive investigative leads, to evaluate the validity of statements by witnesses, and to make accurate reports. The ability to observe accurately is developed through practice and experience.
It is essential that, as the investigator, you be aware of influences that tend to impede or otherwise affect observation. You need to be able to recognize and compensate for those elements and factors that may detract from your ability or the ability of others to observe accurately.
Events or remarks that are meaningless when seen or overheard by the layman maybe of great significance to the trained and experienced investigator. To assist in remembering observations, you should make extensive use of photographs, sketches, notes, and other recording methods.
Persons
Diligently observe individuals either