Bitemark Analysis What kind of factors would you need to control for, and how would you accomplish that? The factors you could control are: how much time is in between the analysis of the bitemark and the initial bite, material bitten into, and how the bitemark is analyzed.... [Read More]

I would collect a designated amount of hair samples from subjects who wish to particpate in my hypothetical experiment. A total of 1000 hair samples would be compiled, 10 hair samples from 100 randomly selected subjects in the state of Georgia. A fixed number of examiners will be chosen to... [Read More]

Section 5.7: Hair Analysis First off, any experiment done with hair analysis would need a very large sample size. I would gather 10 hair samples from 150 random people across the country, for a total of 1500 hair samples. These samples would be put into a database for 5... [Read More]

Experimental Design with Respect to PCAST Report Subsection on Bite Marks After reading the PCAST report section on Bite Mark Analysis I understood that there were many issues with the implementation of examination. It appears that the examiners do not follow a set protocol to identify markings. Each examiner... [Read More]

Bitemarks: 5.3 What kind of factors would you need to control for, and how would you accomplish that? The factors that would be controlled are the length of time between when the bite was taken and when it was examined. Another control would be the surfaces that... [Read More]

Latent Print Proficiency Testing One of the issues raised with latent print examination was the need for proficiency testing. I would want to test does an examiners’ work quality differ depending on the context of the examination. This would require testing examiners with them knowing they were being “tested”... [Read More]

Background: Select one of the forensics methods discussed in Sections 5.3-5.7 of the report “Forensic Science in Criminal Courts: Ensuring Scientific Validity of Feature-Comparison Methods”, which was issued by the President’s Council of Advisors on Science and Technology in 2016. Read that subsection thoroughly, taking note of issues... [Read More]

Experimental Design: Bite Marks - When approaching a study on bite marks and how they can be used in forensic science, it is vital that one takes into mind that there have been few studies done on the subject to date. In addition, those that have been done have... [Read More]

My experiment for handling with firearms is I would gather 1000 bullets and have 5 sample guns. I would try to eliminate which bullet belonged to each gun by there ejectory marks but also we have to consider with the striation marks that also bullets carry manufacture faults which can... [Read More]

Assignment 5a: Designing an experiment – Footwear Analysis: Identifying the Characteristics • What kind of factors would you need to control for, and how would you accomplish that? The factors to be controlled would need to be for the general characteristics by having the same make, size and model worn... [Read More]