"In the Criminal Justice System the people are represented by two separate, yet equally important groups. The police who investigate crime and the District Attorneys who prosecute the offenders. These are their stories."  Opening of the long-running TV series, Law & Order

Criminal Justice Investigation deal  with the legal concerns, and problems associated with a criminal investigation. Special knowledge/skills include  administrative law and procedures, courtroom evidence management and preparation, case presentation and court testimony, description and identification, state and federal criminal law and procedures, informant and suspect rights, officer liability, informant and witness management, victim awareness, tactical interviewing, psychology, criminal investigation methods and procedures, report writing and documentation, investigative techniques, and case management.


Overview of Crime Scene Investigation

 



Note: Some of these tutorials might require a PDF reader. If you do not have an the Adobe Acrobat Reader installed on your device, you can download a free copy here. Many also require the Google Play app for mobile devices.

 

 

 

 

 

 

 


 

 Detectives and criminal investigators, who sometimes are called agents or special agents, gather facts and collect evidence of possible crimes. Law enforcement officers’ duties depend on the size and type of their organizations.

Private detectives and investigators usually have some college education. However, many jobs do not have formal education requirements; and private detectives and investigators learn on the job. Previous experience in investigative work can be beneficial. Private detectives and investigators need a license in most states.

Private detectives and investigators find facts and analyze information about legal, financial, and personal matters. They offer many services, including verifying people's backgrounds, tracing missing persons, investigating computer crimes, and protecting celebrities.

Education requirements range from a high school diploma to a college degree or higher. Most police and detectives must graduate from their agency’s training academy before getting on-the-job training.

-U.S. Bureau of Labor Statistics

 

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David L. Heiserman, Editor

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Revised: June 06, 2015