Spell out abbreviations. Not only do they increase the length of the essays and word count (which can be helpful) but also they look syntactically more mature

Do not use cliche transition words such as "Lastly" to wrap up paragraphs. As I don't think you have to mention "This paper", because as a writer it is your responsibility to explain that it is focus on homicide.

Pretty well written. Be sure that you site your sources properly.