Assistant District Attorney Investigator

Public Sector
Last Updated:
July 19, 2023

Job Description Overview

As an Assistant District Attorney Investigator, your primary responsibility is to provide investigative support for criminal prosecutions. You will work in the Public Sector industry and be responsible for conducting investigations, gathering evidence, and interviewing witnesses to build strong cases against suspects. You will perform surveillance, analyze data, and present findings to various stakeholders in the criminal justice system.

To succeed in this Assistant District Attorney Investigator job description, you must have a strong legal background and be a skilled investigator. You should hold a bachelor's or master's degree in Criminal Justice with emphasis on law enforcement, or a related field. You must be able to work independently and as part of a team, and possess excellent communication and interpersonal skills. As an Assistant District Attorney Investigator, you will work alongside attorneys and law enforcement officials to ensure justice is served in criminal cases.

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Job Duties and Responsibilities

  • Assist in conducting investigations related to criminal cases handled by the District Attorney's office.
  • Gather evidence and information through interviews, surveillance, and other methods in order to build cases.
  • Collaborate with other law enforcement agencies and personnel to gather information and build cases.
  • Prepare reports and other documentation related to investigations, as well as testify in court when necessary.
  • Support prosecutors in preparing and presenting cases by providing information and evidence.
  • Maintain accurate and organized records of investigations and case-related information.
  • Assist in coordinating with victims, witnesses, and other stakeholders involved in cases.
  • Monitor and ensure compliance with relevant laws, regulations, and policies related to investigations and case handling.
  • Participate in training and professional development opportunities to enhance investigative skills and knowledge.
  • Perform other duties as assigned by supervisory personnel to support the operations of the District Attorney's office.

Experience and Education Requirements

To become an Assistant District Attorney Investigator in the Public Sector industry, you typically need both education and experience. Most employers require you to have at least a Bachelor's degree, preferably in Criminal Justice, Political Science, or a related field. Some may also require you to have advanced degrees, like a Master's or Law degree. 

In addition to education, you'll also need relevant work experience. This might include working in law enforcement, as a paralegal or legal assistant, or in a related field. You should have a strong understanding of criminal law, investigative techniques, and courtroom procedures. 

Some positions may also require you to have certain certifications and licenses, such as a peace officer's license or a private investigator's license. Overall, the more education and experience you have, the more competitive you'll be for Assistant District Attorney Investigator jobs in the Public Sector industry.

Salary Range

The salary range for an Assistant District Attorney Investigator in the public sector industry in the United States is expected to vary based on location and experience. On average, the salary range falls between $50,000 to $85,000 annually, according to ZipRecruiter. In California, the median salary is higher at $95,000 per year, as reported by Glassdoor. In the UK, PayScale reports a median salary of £32,800 for a criminal investigator, which could include Assistant District Attorney Investigators. A higher salary range can be expected in larger cities and states with higher costs of living. In general, experience and education level also impact salary expectations. 


  • ZipRecruiter:
  • Glassdoor:,10IS2280_KO11,42.htm
  • PayScale:

Career Outlook

Being an Assistant District Attorney Investigator in the public sector is a challenging and rewarding career. In the next five years, the career outlook for this job is expected to grow positively, as the demand for legal services in the public sector increases. According to the United States Bureau of Labor Statistics (BLS), employment opportunities for legal occupations are projected to grow by 5% from 2019 to 2029. Moreover, law enforcement agencies are expanding their units, and the public's demand for justice is expected to increase, which may lead to more job openings for Assistant District Attorney Investigators. A career as an Assistant District Attorney Investigator could provide job security due to increased demand in the public sector.

Frequently Asked Questions (FAQ)

Q: What is an Assistant District Attorney Investigator and what do they do?

A: An Assistant District Attorney Investigator is responsible for gathering evidence and conducting investigations for a District Attorney's office. This includes interviewing witnesses, analyzing crime scenes, and testifying in court.

Q: What are the qualifications required to become an Assistant District Attorney Investigator?

A: Typically, a bachelor's degree in criminal justice or related field, coupled with experience in law enforcement, investigations, or a related field. Some states may require additional certifications.

Q: What is the work environment like for an Assistant District Attorney Investigator?

A: An Assistant District Attorney Investigator works in an office setting and carries out investigative and collaborative work in the field. The work is fast-paced, challenging, and requires high levels of critical thinking and attention to detail.

Q: What is the expected salary for an Assistant District Attorney Investigator?

A: The salary for an Assistant District Attorney Investigator varies based on agency, location, and qualifications, but typically ranges from $40,000 to $80,000 per year.

Q: What are the career advancement opportunities for an Assistant District Attorney Investigator?

A: An Assistant District Attorney Investigator can advance their career by gaining more experience, earning advanced degrees or certifications, and taking on leadership roles. Examples include becoming a Senior Investigator, Chief Investigator, or even a District Attorney.

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