tailieunhanh - Lecture Criminal investigation - Chapter 2: Investigators, the investigative process, and the crime scene

Chapter 2 - Investigators, the investigative process, and the crime scene. When you finish this chapter, you should: Understand the role of the investigator and the skills and qualities he or she must possess, discuss the major events in the investigation of a crime, explain the seven major steps in a preliminary investigation, describe activities conducted in a follow-up investigation,. | TWO Investigators, the Investigative Process, and the Crime Scene WHAT IS A CRIME? A crime is the commission or omission of any act, which is prohibited or required by the penal code of an organized political state, to which some punishment or sanction is attached. Classifications Felony Punishable by death or imprisonment for more than one year in a state prison. Misdemeanor Punishable by fine and/or imprisonment for up to one year in a local or county jail. Infraction or Violation Minor offenses punishable by a fine only. 2-1 THE INVESTIGATOR Someone who gathers, documents and evaluates evidence. Strong professional training and experience Strong degree of self-discipline Uses legally approved & ethical methods Strong people skills Includes all evidence of innocence as well as guilt Uses systematic methods of inquiry Uses both inductive and deductive reasoning Compassionate, not calloused and cynical Has wide ranging contacts across many occupations Remains objective at all times Leaves nothing to chance during investigation 2-2 THE INVESTIGATIVE PROCESS Objectives Establish if a crime was committed Collect, document and preserve evidence Identify and apprehend the suspect(s) Recover stolen property Assist in the prosecution of the person(s) charged with the crime(s) 2-3 THE PRELIMINARY INVESTIGATION The actions taken at the scene of a crime immediately following its detection and report to the police Receipt of information and initial response Emergency care Crime scene control BOLO alerts Crime scene determination Evidence The report 2-4 FOLLOW-UP INVESTIGATION Subsequent investigation Contacting witnesses who left the scene Checking out suspect(s) alibi Gathering additional evidence from other locations Talk with informants Attempt to locate additional witnesses Evaluate evidence collected and laboratory results of tests Obtain search and/or arrest warrants Recover stolen property Confer with prosecutor 2-5 CRIME SCENE Location where the offense was committed | TWO Investigators, the Investigative Process, and the Crime Scene WHAT IS A CRIME? A crime is the commission or omission of any act, which is prohibited or required by the penal code of an organized political state, to which some punishment or sanction is attached. Classifications Felony Punishable by death or imprisonment for more than one year in a state prison. Misdemeanor Punishable by fine and/or imprisonment for up to one year in a local or county jail. Infraction or Violation Minor offenses punishable by a fine only. 2-1 THE INVESTIGATOR Someone who gathers, documents and evaluates evidence. Strong professional training and experience Strong degree of self-discipline Uses legally approved & ethical methods Strong people skills Includes all evidence of innocence as well as guilt Uses systematic methods of inquiry Uses both inductive and deductive reasoning Compassionate, not calloused and cynical Has wide ranging contacts across many occupations Remains objective at all times .