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Summary
Forensic biology aids in investigating sexual assaults, particularly a rise in rape cases. A sexual assault index helps link cases, and ABO blood grouping of semen offers valuable forensic insights.
Area of Science:
- Forensic Science
- Biology
- Criminology
Background:
- Increasing trends in reported rape cases necessitate advanced forensic analysis.
- The role of forensic biology is crucial in sexual assault investigations.
- Existing methods for linking sexual assault cases require continuous refinement.
Purpose of the Study:
- To detail the laboratory's involvement in sexual assault investigations.
- To introduce and explain a sexual assault index for case linkage.
- To discuss the utility and constraints of ABO blood group analysis in semen.
Main Methods:
- Analysis of sexual assault cases submitted to the laboratory.
- Development and application of a sexual assault index.
- Evaluation of ABO grouping techniques for semen identification.
Main Results:
- Demonstration of the sexual assault index's effectiveness in identifying three linked rape series.
- Summary of the forensic biologist's contributions to rape investigations.
- Illustration of ABO blood group determination from semen, even without visible semen.
Conclusions:
- Forensic biology plays a vital role in managing and solving sexual assault cases.
- The sexual assault index is a valuable tool for identifying serial offenders.
- ABO grouping of semen provides important forensic evidence in sexual assault investigations.