Crime Scene Processing

 Any questions before we begin about anything?  Unit 2 Seminar -Chain of Custody -Modus Operandi (MO) -Criminal Profiling -Importance of recognizing crime scene clues -Responsibility of first officer and first investigator arriving at the scene  -other

 Victim  Criminal eyewitness  Position and boundaries are defined  Secure crime scene  Physical evidence discovered and collected  Crime reconstructed (if needed)  Offender and evidence at crime scene (may be left behind)  Initial response may provide only chance to recognize, record, and collect physical evidence  other

 Develop associative evidence (find evidence that could link a suspect to the crime or the victim)  Seek answers: (What happened? How, when, and where did it happen?)  Scene must “first” be carefully recorded and photographed  Other reasons (see bottom of page 112)

 See pages  Discovery of Physical Evidence “Forensic scientists, crime scene specialists, and latent print experts are the individuals whose job apply science and technology to the solution of criminal acts. They shoulder an important role in the criminal justice system. Their skill and knowledge in the criminal investigation may establish the innocence or guilt of a defendant. Professional ethics and integrity are important to their work.” (page 114)

 Walk-Through and Search; pages  Recording Conditions & Evidence Found At The Crime Scene; pages  Photographs & Sketches; pages  Collection & Preservation; page 123, and pages Appendix 1: “The FBI has prepared a helpful set of explicit recommendations and instructions, which are reprinted.”

 Or sometimes called chain of evidence. ‘Documentation of what has happened to evidence from the time it was discovered until it is needed in court, including every person who has had custody of the evidence and why.’  Pages

 ‘Characteristic way a criminal commits a specific type of crime, an offender’s pattern of operation (method of preparing for and committing a crime).

 ‘Method of suspect identification that attempts to identify the individual’s mental, emotional and psychological characteristics. (Also called psychological profiling).  Pages,  Other: Through eyewitnesses may provide the investigator with answers to the six questions of who, what, where, when, why, and how. Do not forget about the five senses also: Sight, Smell, Hearing, Taste, Touch

 Well class we are winding down with the unit 2 seminar.  I just wanted to say thanks and if you have any questions or need anything this week let me know.  Thanks for attending, participating, and staying focused  Do not forget, seminar, discussion, and quiz for unit 2  I will stay online to answer questions  Again, thanks.