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Step 1
Conduct research on the various types of investigative work in law enforcement while you're still in high school. Go to your local police station and talk with the men and women who work in the narcotics department. You may also want to sit down with the DARE representative, or whomever conducts drug searches in your local schools, if applicable. See what types of challenges they see for the future and the advantages and disadvantages of their jobs.
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Step 2
Get at least a high school diploma, if not an associate's degree or BA. Although some law enforcement agencies only require high school diplomas, others want someone who has at least taken one or two years of college in criminology and police science, for example. In the long run, the more education you have, the better your chance will be for promotion.
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Step 3
Make sure that you are in good physical health and are willing to work under difficult conditions. Police work can often entail long hours and hazardous conditions. In most cases, you will need proficiency in the use and care of firearms and scientific crime detection devices and investigative equipment. You will be asked to take specific training to prepare you for your law enforcement posittion, including a satisfactory background investigation. In addition, candidates often must have to satisfactorily complete a drug test, a polygraph examination, a medical examination, and a psychological test. You may also have to be certified as an investigator by your state.
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Step 4
Give thought to both sides of this type of work. It can be personally gratifying when you are able to reduce crime and improve the conditions in some neighborhoods, as well as uncover facts. Many investigators spend time away from their offices conducting interviews or doing surveillance, but some work in their office most of the day conducting computer searches and making phone calls. Narcotic agents often work irregular hours, because of the need to conduct surveillance and contact people who cannot be reached during normal working hours. Early morning, evening, weekend, and holiday work is common.



















