Tag: S3

The impression/tire track lab was a very unique look at impression evidence. During the lab, we ran various toy “matchbox” cars over an ink pad, then in boxes on our sheet of paper. We looked at each print to determine the specialities and then match it. This was a detailed study of the 2-D impression. … Continue reading Impression lab

The four blood types are A, B, AB, and O Blood type AB has both a and b proteins. Blood type O has both antibodies. Genes are parts of chromosomes passed down from parents that determine a certain characteristic in their offspring. An allele is a form of a gene, where humans have two of … Continue reading Blood Type lab

The ballistics unit proved to be very engaging. The job of a ballistics specialist is extremely detail-oriented and meticulous. We used a simulation online to attempt to match 4 bullets to 4 reference bullets. A bullet is super difficult to match, because it is a clyndrical object. There is no direct face, or place that … Continue reading Ballistics Lab

Questions Cotton and Wool are natural, and Nylon, Rayon, and Polyester are synthetics The synthetics all have dramatically more filaments than the natural fabrics. It was difficult to determine a fabric solely from filament count The Wool, Cotton, and Rayon were knitted The weave patterns vary the most. Each fabric has a distinct weave. The … Continue reading Fabric lab