What is the best way to document tool mark evidence?
What is the best way to document tool mark evidence?
Photography is the best way to documents tool and tool mark evidence. Photographs should include a ruler for size reference. c. Whenever possible, submit the whole object containing tool marks to the laboratory instead of just removing the area containing the mark.
How are tool and tool mark evidence primarily collected?
Terms in this set (25) A tool mark is any impression, scratch, or abrasion made when contact occurs between a tool and an object. When tools are found, they are collected and packaged together in containers or boxes and then taken to a laboratory for analysis.
What is generally true about using tool mark evidence to solve a crime?
What is generally TRUE about using tool mark evidence to solve a crime? Some tools have striations that are used to identify them and the marks they make. Investigators fire two guns that are made by the same manufacturer and are the same type of gun.
How accurate is a mouth swab DNA test?
Swabs are as accurate as blood. Epithelial cells contain exactly the same DNA as blood cells. In other words, these swab tests are more than 99.9% accurate, which is the same in case of blood samples as well.
Does saliva stay in your mouth for 6 months?
When you kiss you’re not only showing love and affection but also transferring millions of bacteria to your partner. A horrifying truth but saliva can stay in your month for an hour but the bacteria can stays for months and if your lucky enough you can acquire diseases.
Can saliva determine DNA?
Fact # 1: DNA in saliva is derived from both buccal epithelial cells and white blood cells. Yielding virtually the same amount of DNA per volume and the same DNA quality as blood, saliva can be considered equivalent to blood for genetic applications.
What disease can be transmitted through saliva?
Viruses responsible for diseases such as hepatitis viruses, herpesvirus infections (e.g., with Herpes simplex types 1 and 2, Epstein-Barr virus, Cytomegalovirus, and Kaposi syndrome herpesvirus), and papillomaviruses can be conveyed by kissing—as can potentially other viruses present in saliva such as Ebola and Zika …
How long can kissing last?
3. Today, an average kiss lasts more than 12 seconds. In the 1980s, couples came up for air sooner than that: back then an average kiss lasted a mere 5.5 seconds.
What is the longest kiss record?
58 hours, 35 minutes and 58 seconds
How long should the first kiss last?
about 10 seconds