Criminal investigations often begin at the location(s) where the crime was committed. Criminal investigators must be able to identify and collect items of evidentiary value left at the crime scene, in order to better piece together events surrounding the crime, and to identify perpetrators and sometimes victims. These steps are often the most important efforts undertaken by patrol officers and investigators in efforts to identify, arrest, and successfully prosecute offenders. Failure of law enforcement agencies to establish an effective and efficient crime scene management system can have severe results and may even include civil or criminal charges against crime scene personnel. Therefore, it is essential that all officers and investigative personnel have a solid understanding of professionally accepted crime scene protocols, in order that their agency can take full advantage of today's more sophisticated laboratory techniques and technologies. The basis for a successful and efficient crime scene investigation is within the grasp of any law enforcement agency, no matter the size.
This activity is approved for 2.00 contact hours.
This class has been accredited by the Council on Law Enforcement Education and Training for 2.00 hours of mandatory continuing education credit. Regarding any law enforcement concepts, practices, methods, techniques, products, or devices as might be taught, promoted, or otherwise espoused in outside schools or seminars, there is no intent, expressed or implied, that ‘accreditation’ indicates or in any way conveys ‘CLEET approval’ of such concepts, practices, methods, techniques, products, or devices, unless such approval is explicitly stated by CLEET.
I. Criminal Investigations A. Fraud Warning II. Introduction A. OSS – Academy® B. Navigating This Course C. About This Course D. Learning Objectives III. Crime & The Investigator A. Definition B An Investigator C. Duties of the Investigator D. Investigator Traits E. A Successful System F. A Large Puzzle G. 7 Questions H. Investigation Failures I. Failure Prevention J. Crime & The Investigator IV. Preliminary Investigation A. Preliminary Investigation Goals B Patrol Response C. Initial Responding Officer Responsibility D. Response Times E. Responders’ Actions. F. PRELIMINARY G. Responder’s Duties H. Crime Scene Treatment I. Responder’s Field Notes J. Responder’s Required Information K. Responder’s Observations L. Responder’s Standard Practices M. Witness-Related Tasks N. Important Steps O. Investigation Completion P. Preliminary Investigation V. Crime Scene A. Scene Protection B. Contamination C. Scene Contamination D. Limited Access E. Persons Not Required F. Prevent Contamination G. Personal Protective Equipment (PPE) H. Wear Gloves I. Disposal J. Staging Area K. Deoxyribonucleic Acid (DNA) L. DNA Protection M. Crime Scene Investigation - Resource N. Crime Scene Analysis VI. Scene Diagrams A. Proper Measurement B. Field Sketch C. Sketch Contents D. Scene Diagram E. Basic Techniques F. Measurements – Tire & Vehicle Marks G. Measurement Methods H. Measurements – Important Methods I. Measurements – Third Method J. Measurements – Azimuth K. Measurement Suggestions L. Building Elevation Measurements M. Building Elevation Measurements – Exercise N. Scene Diagrams VII. Photography A. Photography 101 B. Photography Equipment C. Photography - Do Not Delete D. Photography – Camera Features & Accessories E. Photography - No Extra Pictures F. Photography - Views G. Photography - Overall View H. Photography - Medium View I. Photography - Aerial View J. Photography – Important Considerations K. Photography – Remember VIII. Evidence Collection & Preservation A. Chain of Custody B. Gloves & Wet Items Recovery C. Be Careful D. Blood Collection & Preservation E. Dried Blood Collection & Preservation F. Sexual Assault Collection & Preservation G. Hair Collection & Preservation H. Glass Fragment Collection & Preservation I. Fiber Collection & Preservation J. Gun Collection & Preservation K. Blood on Guns – Collection & Preservation L. Bullets – Collection & Preservation M. Ammunition – Collection & Preservation N. Gunshot Residue – Collection & Preservation O. Latent Prints – Collection & Preservation P. Consistency Q. Evidence Collection & Preservation IX. Crime Scene Checklist A. Documentation B. Checklists C. Checklists Save Time D. Checklists E. Checklist Benefits F. Crime Scene Checklist X. Conclusion A. Some Parting Thoughts B. Summary C. From the Academy Staff D. References
OSS Law Enforcement Advisors® is a law enforcement consultant agency comprised of police, jail, security and correctional care health experts dedicated to improving both public and private law enforcement and security operations through security, law enforcement, expert witness, correctional care assessment, computer forensics and electronic discovery, police policy and procedures development, medical policy and procedures development, professional risk management, and security or police training services. The combined law enforcement and corrections experience encompasses more than 110 years of professional expertise in the law enforcement, jail, security, and criminal justice fields, with key field-experienced personnel, each respectively certified by local, state, or national organizations. Disclosure: OSS Law Enforcement Advisors has declared that no conflict of interest, Relevant Financial Relationship or Relevant Non-Financial Relationship exists.
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