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Blood Stains Lab

In a lab investigation we performed, we observed and learned about ABO blood typing. Before this I only had a very basic grasp on what this subject entailed, but now I have new information on things like the antibodies that the body produces and the alleles that control what protein receptors the blood cells have. … Continue reading Blood Stains Lab

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Fabric lab review

In a lab that we did, the class broke into pairs and examined a few types of fabrics and materials. We collected data and wrote down observations concerning the tests performed.These tests included water retention properties, flammability, and an acid/base test. We also looked at these specimens under a microscope and recorded weave patterns and … Continue reading Fabric lab review

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Ballistics Reflection

To simulate the matching of bullets according to rifling marks, our class matched up bar codes. We eventually got to match up real bullets, but doing the bar code thing helped to hone our skills at ballistics investigation. It didn’t seem all that difficult at first, but as I really began to look at these … Continue reading Ballistics Reflection

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Fingerprint Reflection

I think that fingerprinting is a great, reliable, and effective means of identification. As far as my knowledge goes, I have never heard of fingerprints being wrong. Since each fingerprint is completely unique, it can’t be confused or mismatched by a fingerprint analyst and can only be from one person. Because I have dry skin … Continue reading Fingerprint Reflection

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On evidence collection and Processing a crime scene

This reflection was written after the class investigated a fake crime scene that our teacher so kindly set up in the classroom. we recieved a handout that specifies some guidelines that real police officers follow when documenting a crime scene. What have you learned about crime scene management and evidence collection?  Do the guidelines make … Continue reading On evidence collection and Processing a crime scene