This is law enforcement work at the first supervisory level overseeing the activities of detectives conducting legal investigations in an assigned unit. Employees conduct special investigations which entail interrogating witnesses, taking formal statements and issuing warrants and subpoenas. Contact with the public and law enforcement officials as well as responsibility for instructing and leading investigators is a significant aspect of the work.

Work is performed under the general supervision of a higher level investigator. Assignments require the use of evaluative thinking and are carried out in accordance with standard investigatory practices and general work instructions. The employees participate with members of other law enforcement agencies in conducting investigations of facts pertinent to such cases as homicide, rape, robbery, burglary, vice and business frauds.

• Assigns subordinate investigators to attorneys who assign men to investigate cases such as homicide, robbery, burglary, rape, larceny or fraud; reviews the cases with the investigators; outlines the aspects of the case which require special attention; reviews the progress of investigations through daily conferences and reports to insure that no evidence has been overlooked; advises investigators on problems involving conflicting information; may participate in the investigation by re-interviewing or locating witnesses.
• Checks the listing of cases scheduled for trials; assigns subordinate investigators to issue and serve warrants and subpoenas, to locate witnesses, to verify deaths, and to secure fugitives from other jurisdictions; advises subordinate investigators regarding such problems as locating witnesses; ascertains that all required witnesses are present at pre-trial preparation.
• Conducts investigations on the more complex or confidential cases; interrogates witnesses and takes formal statements; checks arrest records of plaintiffs; conducts background investigations on plaintiffs and defendants; prepares reports of findings for attorneys; testifies in court concerning findings.
• Prepares and processes warrants initiated by the various units; records warrants in log book and prepares file on defendant containing arrest papers, incident report and private criminal complaint; presents warrant before administrative judge for approval and signature; assigns warrant to subordinate for servicing; presents defendant with a copy of the complaint, advises him of charges and his legal rights; prepares subpoena and serves it at the defendant's arraignment hearing; notifies concerned personnel of the court date.
• Assigns subordinate investigators to investigate complaints of delinquency cases, morals offenses and domestic relations; reviews morals complaints to determine whether crime has been committed; prepares morals warrants and subpoenas for servicing by subordinates.
• Prepares and submits periodic progress reports on the status of investigations conducted by subordinate investigators.
• Performs related work as required.

KNOWLEDGE OF:

• departmental rules and regulations.
• the methods and techniques of crime investigation, of interrogation, and of the identification and preservation of physical evidence.
• the laws, rules and regulations relating to the prosecution of criminal cases.
• the laws and rules of evidence and of the general principles of laws and rulings governing the prosecution of criminal offenses.
• legal forms and clerical procedures connected with the prosecution of crimes.
• trial procedures.

• the use and care of firearms.

• obtain information through interviews, interrogation, and observation and to record details accurately.
• plan, assign and supervise the work of investigators.
• analyze information objectively and to determine a proper course of action to be taken.
• cope with situations firmly, courteously, tactfully and with respect for the rights of others.
• understand and carry out oral and written instructions.
• write and speak effectively.
• establish and maintain public confidence while gathering information and to work effectively with law enforcement officials.

• Experience totaling two years or more in one or more of the following classes: Prosecution Detective I or Prosecution Detective II.

• Ability to physically perform the duties and to work in the environmental conditions required of a position in this class.

• Possession of a valid proper class motor vehicle operator's license as issued by the Commonwealth of Pennsylvania prior to appointment and during tenure of employment as a Prosecution Detective Sergeant.

PAY RANGE: 205
Class Established: 12/1963
Latest Spec. Revision: 9/1981

CO/sb/ps