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Questions and Answers
What is the purpose of bloodstain pattern analysis (BPA)?
What is the purpose of bloodstain pattern analysis (BPA)?
- To draw inferences about the nature and timing of a crime (correct)
- To analyze the chemical composition of bloodstains
- To determine the identity of the perpetrator
- To establish a motive for the crime
Bloodstain pattern analysis (BPA) is used primarily to study which type of crimes?
Bloodstain pattern analysis (BPA) is used primarily to study which type of crimes?
- Drug-related crimes
- White-collar crimes
- Property crimes
- Homicide or other violent crimes (correct)
What has been the conclusion of a comprehensive 2009 National Academy of Sciences report regarding bloodstain pattern analysis (BPA)?
What has been the conclusion of a comprehensive 2009 National Academy of Sciences report regarding bloodstain pattern analysis (BPA)?
- BPA is a controversial and subjective practice (correct)
- BPA is only valid when combined with DNA analysis
- BPA is a highly accurate and reliable practice
- BPA should not be used in the criminal justice system
Which disciplines are claimed to be used in bloodstain pattern analysis (BPA)?
Which disciplines are claimed to be used in bloodstain pattern analysis (BPA)?
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When did the questioning of the validity of bloodstain pattern analysis (BPA) begin?
When did the questioning of the validity of bloodstain pattern analysis (BPA) begin?
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Study Notes
Bloodstain Pattern Analysis (BPA)
- The primary purpose of BPA is to study violent crimes, particularly homicides and assaults.
- BPA is used to reconstruct the events surrounding a crime, specifically the bloodshedding incident.
- A comprehensive 2009 National Academy of Sciences report concluded that the principles and theories underlying BPA are not scientifically supported.
- BPA is claimed to be an interdisciplinary field, combining knowledge from biology, physics, mathematics, and forensic science.
- Questioning of the validity of BPA began in the 1990s, with critics arguing that the methodology is not scientifically grounded and lacks standardization.
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