CJS 2225 - Criminal Investigations

Credits: 3
Hours/Week: Lecture 3 Lab None
Course Description: Knowledge of investigative procedures and practices is central to the role of a law enforcement officer.  This course focuses on reporting and investigative techniques as well as the processes and procedures required in crime scene investigations. Special attention is paid to accurate documentation and evidence handling and preservation.
MnTC Goals
None

Prerequisite(s): ENGL 1024   with a grade of C or higher. CJS 1024 , CJS 2081 , CJS 2085 , SOC 1033 , SOC 1080  , and SOC 2051  with grades of C or higher.
Corequisite(s): None
Recommendation: None

Major Content

1. Crime scenes
2. Interrogation and interview
3. Persons and property crimes
4. Report writing
5. Search protocol and procedure
6. Criminal charge process
7. Fire scenes
8. Chain of custody

1. state the requirements of the Fourth Amendment on the law of arrest. (2.2.7)
2. explain how constitutional rights in the Fifth, Sixth, and Fourteenth amendments affect police interrogations. (2.2.8)
3. summarize the rights of individuals being interrogated under the fifth and Sixth Amendments and the importance of adhering to procedures that protect those rights including:
   1. -The prohibition against forced or coerced self-incrimination
   2. -The Sixth Amendment right to counsel and correlating Minnesota Statute (Minn, Stat, 481.10) (2.2.9)  
4. evaluate mock crime situations and determine if evidence is admissible under the Fourth Amendment. (2.2.10)
5. explain types of evidence and the differences between them, i.e., direct and circumstantial evidence. (2.2.11)
6. describe the exclusionary rule and risks associated with contaminated evidence and loss chain of custody of evidence. (2.2.12)
7. describe the following suspect identification methods: line-up, photo line-up, and field identification. (2.2.13)
8. explain and demonstrate search warrant preparation including establishing a factual basis for probable cause and identifying items to be searched for and seized. (2.3.2)
9. identify the legal requirements governing preparation and execution of the search warrant of a suspect’s home or dwelling, vehicle, or person. (2.3.3)
10. explain the scope and limitation of a lawful warrant-less seizure during a consent search of persons. (2.3.4)
11. explain the scope and limitation of a lawful warrantless search of a premise and warrantless search of a vehicle. (2.3.5)
12. explain the scope and limitation of a lawful warrant-less search during a search based on exigent circumstances. (2.3.6)
13. explain the scope of a lawful warrant-less search during a plain view search. (2.3.7)
14. discuss how telephonic search warrant and search warrant templates can speed up the search warrant application process. (2.3.8)
15. given a scenario, explain how to complete a valid return of a summons. (2.3.9)
16. explain the Supreme Court decision Miranda vs. Arizona and the four components of the Miranda Warning.  (2.6.1)
17. explain a criminal defendant’s Sixths Amendment right to an attorney in all criminal prosecutions including interviews and interrogations. (2.6.2)
18. describe legal interviewing and interrogation techniques peace officers may use and the difference between a voluntary and coerced statement. (2.6.3)
19. explain the difference between custodial and noncustodial interview or interrogation. (2.6.4)
20. describe consideration for videotaping and recording interviews and interrogations and explain when interrogations must be recorded (State v. Scales. 518 N.W.2d 587 (Minn. 1994) (2.6.5)
21. explain when admissions and confessions are legally admissible in court. (2.6.6)
22. explain the purpose of an interrogation and how results of interrogation can be used in trials. (2.6.7)
23. explain the conditions under which confessions may or may not be used in court. (2.6.8)
24. discuss interview techniques used to:
    1. -Build rapport
    2. -encourage full meaningful answers and discourage suggestibility
    3. -clarify and corroborate statements
    4. -enhance memory
    5. -detect deception
    6. -obtain information from a reluctant witness  (3.2.1)

25. discuss interview considerations and techniques for interviewing children, vulnerable adults and traumatized victims. (3.2.2)

26. discuss how and why interviewing techniques must vary depending on the interviewee and the circumstances, i.e., when interviewing children, traumatized victims. (3.2.3)

27. conduct interviews using procedures that:
    1. -are appropriate to the situations
    2. -ensure the protection of individual rights
    3. -effectively gather information
    4. -encourage cooperation
    5. -enhance memory. (3.2.4)
28. conduct interrogations of suspects using appropriate techniques to gather information, detect deception, and gain and admission or confession depending on the circumstances. (3.2.5)
29. explain and/or participate in procedure for identifying suspects, i.e., line-up, photo line-up, and field identification. (3.2.6)
30. describe appropriate protective gear that may be needed when collecting g and processing evidence.  (3.5.1)
31. identify various types of evidence, i.e., blood and biological weapons, explosives and arson related evidence, hair and fiber, impressions, fingerprints, documents, clothing. (3.5.2)
32. describe risks associated with contamination of evidence. (3.5.3)
33. demonstrate proper preservation, collection, processing, storage and chain of custody procedures for a variety of types of evidence, i.e., fingerprints, DNA, shoe/tire impressions, blood spatter. (3.5.4)
34. demonstrate proper evidence documenting techniques, i.e. note taking field sketching and/or photographing/videotaping. (3.5.5)
35. discuss the impact of new or emerging technologies on crime scene evidence collection and investigation. (3.5.6)
36. recognize, secure and protect technical evidence at a crime scene, i.e. computers, phones cameras surveillance equipment.  (3.5.7)
37. explain the impact of the Electronic Communication Privacy Act and other pertinent case law on the collection of technological evidence. (3.5.8)
38. discuss the importance of information obtained from electronic devices in crimes including: pornography, economic fraud, e-mail threats, extortion, gambling, identity theft, narcotics, prostitution, software piracy, and telecommunications fraud. (3.5.9)
39. practice responding to a variety of requests for service including:
    1. -receiving and comprehending information to and from dispatcher
    2. -demonstrating safe vehicle positioning where applicable based on type of call and information available
    3. -observing and conducting initial assessment upon arrival at the scene for safety concerns and useful information
    4. -using active listening and clear oral communication skills
    5. -identifying victims, witnesses, and suspects
    6. -taking statements and conducting initial interviews
    7. -making reasonable decisions based on a reasonable interpretation of observations and circumstances
    8. -Determining what additional services might be called in, e.g., EMS, Social Services (3.6.1)
40. demonstrate how to safely and properly secure and protect a crime scene (3.6.2)
41. given a crime scene, determine if there is enough evidence to provide probable cause for a search or arrest warrant and fill out the appropriate forms(s) to obtain the warrant. (3.6.3)
42. request search or arrest warrants where appropriate. (3.6.4)
43. discuss investigation and evidence collection techniques specifically related to homicide, suicide, accidental and natural death scenes. (3.14.12)
44. describe dangers associated with handling drugs and with drug production laboratories and related precautionary measures. (3.14.22)
45. explain the terms flashover and backdraft and the risks associated with flames, head, smoke, toxic gasses and explosions at fire scenes. (3.14.36)
46. describe the crime of arson, the common evidence used in differentiating between arson caused fire and other causes, and the importance of securing and protecting evidence at fire scenes. (3.14.37)
47. discuss responsibilities and safety concerns relative to peace officer response to fire scenes and the different roles and responsibilities of officers, fire fighters and representatives of the fire marshal’s office. (3.14.38)
48. explain how to use a fire extinguisher on various types of fires. (3.14.39)

 
Competency 1 (1-6)
None
Competency 2 (7-10)
None

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