City and County of San Francisco

Under general supervision, participates in a wide variety of investigative activities in connection with alleged or suspected violations of criminal laws or other laws under the jurisdiction of the District Attorney’s Office; and performs related duties as required.

Incumbents in this class are considered journeyman investigators who may function independently or as members of a team. Generally, assignments to positions in this class are of average difficulty or complexity permitting a considerable degree of latitude for initiative and independent judgment.

According to Civil Service Commission Rule 109, the duties specified below are representative of the range of duties assigned to this job code/class and are not intended to be an inclusive list.

1. Participates in a variety of criminal investigations coming under the jurisdiction of the District Attorney’s Office; interviews witnesses and other individuals knowledgeable about particular cases; analyzes books and accounts; collects, compiles and provides for preservation and analyses of factual information.

2. Prepares reports on investigations; assists attorneys in the evaluation of cases for prosecution; prepares diagrams, charts, and scale drawings; photographs crime scenes and items of evidence; may operate electronic equipment used in criminal investigative work.

3. As assigned, may serve subpoenas; executes search warrants and warrants of arrest; assists in arranging for the appearance of witnesses to present evidence; testifies in court; may make peace officer arrests in emergency situations.

4. As assigned, participates in investigative work involving various types of criminal fraud including consumer fraud and embezzlement; gives training and work direction to interns, law students, and volunteers involved in consumer fraud complaints and investigations.

5. Assists other public and private agencies involved in law-enforcement functions; may participate in meetings and workshops with community groups and others interested in criminal justice system activities.

Knowledge of:

Existing criminal codes and laws, modern investigative techniques and methods;

Presenting and preserving evidence;

Techniques of drawing and photography relating to investigative work.
 
Skill and Ability to:

Handle responsible investigative assignments with tact, resourcefulness and good judgment;

Prepare and maintain investigative data, records and reports;

Communicate verbally and in writing;

Operate modern equipment used in criminal investigative work;

Work with individual members of the legal staff, representatives of other groups and organizations relating to criminal justice system activities.

These minimum qualifications are to be used as a guide for establishing the education, training, experience, special skills and/or license(s) which are required for employment in the classification.  Please note, additional qualifications (i.e., special conditions) may apply to a particular position and will be stated on the exam/job announcement.

Requires a combination of education at the collegiate level in criminology, penology, police science or a closely related field and responsible criminal investigative experience totaling six years.