Hair Testimony Essay
Rubric For Hair Testimony Essay Hi everyone, my name is . I am a hair analysis expert. Firstly, I graduated from California State University in 1996. I work in the lab of New York
Police Department. I work using the Scanning Electron Microscope for examining different types of small evidence. In other words I am a SEM user in this lab. I have been spent 18 years on this job, hence the reason why I am wearing contact lenses.
During my years of working in the lab, my eyes have tired out from the constant straining and old age. However, today I am here to determine whether or not the suspects are responsible for the crime that has been committed. I have here the lab results depicting the crime scene. Using the information about the hair, I am going to explain how to find the suspect with the hair analysis that we have collected.
In order for the hair samples to be convincing and enough evidence to catch a criminal, the evidence has to make sense. Knowing the different parts of the hair and their functions greatly helps in this. The most inner part of the hair shaft. It is a nearly invisible part of the hair. It’s exact purpose is unknown, but it is believed to mostly be an air space. Medulla patterns are often not very helpful in forensics for a few reasons. The patterns can often differ from hair to hair; some hairs will have it while others won’t. Because of this it often is used very much in forensics. The
Cortex of the hair is located between the medulla and the hair cuticle. It is the thickest part of the hair. It contains most of the hair pigment, giving it its color.
This is often in finding out what color of hair the suspect or criminal had. The final part of the hair is the outermost part, known as the cuticle. It is a hard shingle like cover that is the first line of defense against any damage to the hair. It does not provide the pigment of the hair. It protects the other two layers of the hair. Hair can
Police Department. I work using the Scanning Electron Microscope for examining different types of small evidence. In other words I am a SEM user in this lab. I have been spent 18 years on this job, hence the reason why I am wearing contact lenses.
During my years of working in the lab, my eyes have tired out from the constant straining and old age. However, today I am here to determine whether or not the suspects are responsible for the crime that has been committed. I have here the lab results depicting the crime scene. Using the information about the hair, I am going to explain how to find the suspect with the hair analysis that we have collected.
In order for the hair samples to be convincing and enough evidence to catch a criminal, the evidence has to make sense. Knowing the different parts of the hair and their functions greatly helps in this. The most inner part of the hair shaft. It is a nearly invisible part of the hair. It’s exact purpose is unknown, but it is believed to mostly be an air space. Medulla patterns are often not very helpful in forensics for a few reasons. The patterns can often differ from hair to hair; some hairs will have it while others won’t. Because of this it often is used very much in forensics. The
Cortex of the hair is located between the medulla and the hair cuticle. It is the thickest part of the hair. It contains most of the hair pigment, giving it its color.
This is often in finding out what color of hair the suspect or criminal had. The final part of the hair is the outermost part, known as the cuticle. It is a hard shingle like cover that is the first line of defense against any damage to the hair. It does not provide the pigment of the hair. It protects the other two layers of the hair. Hair can