1 / 20

Criminal Investigations Part 3

Criminal Investigations Part 3. Characteristics of the Investigator. Personal and Learned Qualities. Learned qualities a. Training - basic through advanced b. Observation - training and experience Personal qualities a. Intellectual - objective / logic / common sense.

diggins
Download Presentation

Criminal Investigations Part 3

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Criminal Investigations Part 3 Characteristics of the Investigator

  2. Personal and Learned Qualities • Learned qualities a. Training - basic through advanced b. Observation - training and experience • Personal qualities a. Intellectual - objective / logic / common sense

  3. Qualities, cont. • Psychological a. Emotional stability b. Detached c. Inquisitive d. Self-discipline e. Perseverance

  4. Qualities, cont. • Personal characteristics a. Good physical condition b. Observation / memory skills c. Develop “5 senses” d. Honest e. Unbiased

  5. Qualities, cont. f. Unprejudiced f. Writing ability g. Sensitivity h. Dedication i. Creativity

  6. Qualities, cont. • Knowledge of life and people - street language - ethnic beliefs and traditions - setting up informants • Knowledge of laws and processes - laws of arrest - laws of search and seizure - keeping abreast of the law

  7. Investigative Responsibility • Final responsibility - all personnel • Cooperative / coordinated effort - departmental effort • Sharing of information - administration - patrol - detectives

  8. Trained to investigate • Rising crimes rates - personal crime - property crime • Competition for tax dollars • Criminals are more elusive - area to area / state to state • Changing MO’s

  9. Trained, cont. • Withdrawal of general public - greater friction between police and public - afraid for personal safety • Large number of cases assigned • More intelligent / educated recruits • Increased police training

  10. Interrelationships with others • Patrol officer - knowledge of the street • Dispatchers - information received • Prosecutor’s staff - know what is expected • Defense counsel - know what to expect

  11. Relationships, cont. • Physicians / coroners / medical examiners - who to contact - what to ask • Crime laboratory - who to contact - what to ask • Victims / citizens - how to treat / show respect

  12. Preliminary Investigation • Initiation of criminal investigation - begins immediately / initial response - each is unique • Arrive quickly as possible - suspect at or near scene - injured persons / protect others - locate witnesses - attempt to alter scene - weather conditions

  13. Preliminary, cont. • Finding out precisely what happened • Locate witnesses / other sources of evidence • Determining steps to take • Attempt to understand: - motivation of victim and/or witnesses - in reporting crime

  14. Preliminary, cont. • Record: - three major types of information collected a. What has been done b. What has been learned c. What remains to be done

  15. Follow-Up Investigation • Additional information • Clarifying information • Recover stolen property • Interrogation of suspect • Preparing the case for court

  16. Law Enforcement Officer’s Approach • Believe nothing told - truth lies in physical evidence - after “truth” a. Physical evidence cannot lie - can take any form - large as a house / small as a fiber - fleeting as an odor b. Values of physical evidence

  17. Approach, cont. - prove crime committed - suspect at scene - ID of persons - exonerate innocent - corroborate victim - suspect may confess c. Physical evidence does not change - expected by juries - lack of: useful information

  18. Approach, cont. • Information and physical evidence a. Information ‘ - primary to locating suspect - secondary to convicting b. Physical evidence - primary to convicting suspect - secondary to locating suspect

  19. Approach, cont. • Information primary to locating suspect - observations - contacts a. Obtain suspect information - description - direction of travel - vehicle or on foot b. Broadcast all information - other officers on way to scene

  20. Approach, cont. • Information primary to convicting - fingerprints / hair / blood - eyewitnesses

More Related