BU HI Lecture 1
Card Set Information
BU HI Lecture 1
BU Homicide Investigation
Critical Thinking for Homicide Investigators
What are some hindrances to critical thinking?
misuse of statistics
T or F: Crime Reconstruction is the same as a recreation or reenactment.
Crime reconstruction is interpreting the events that surround the commission of a crime and should not be confused with a recreation or reenactment.
What are the three types of logical reasoning?
T or F: Induction can be conclusive, sound, or cogent.
False! Induction is not conclusive, but can be sound or cogent.
________ is the process of reasoning where experience, skill, and observation are applied to the particulars of a case and a conclusion or generalization is drawn.
What is deduction?
The process of reasoning that starts with a generalization or premise and then considers the logical consequences of any particulars that follow.
________ is the process of cycling through both inductive and deductive reasoning by adding known facts until one is able to reject or retain a hypothesis.
Describe the scientific method as it applies to homicide investigations.
1. State the problem
-type of crime committed
-legal elements of the crime
-rules of admissibility
2. Form a hypothesis
-view scene, victim
-initial witnesses to event or discovery of body
3. Collect data
-forensic evidence- elimination sample
-testimonial evidence- alibis, percipient and other witnesses
-hearsay evidence- reputations, associates
-record and document all evidence
4. Test hypothesis
-objectivity of testimonial evidence
-hearsay- reliable? basis of knowledge?
-record and document evidence- reliable and verifiable
5. Draw Conclusions- it can be shown to have:
-occured in a given manner
-likely occured in a given manner
-unlikely occured in a given manner
-or cannot be shown to have occured in a given manner
6. Modify hypothesis if consistent and retest
-seek additional evidence
-explore other possibilities
-proactive investigation methods
What does MO stand for, and what does it mean?
Modus Operandi- learned behavior, necessary to commit the crime, serves operational needs
A signature behavior serves __________ and _________ needs.
psychological and emotional