They use a special chemical but I don't know what it is called.
Yes.
Yes. You can find traces of any drug in your system via a blood test.
no, it does not, it is an antibiotic
Yes - crime scene investigators can find DNA. If there is blood, hair, skin, etc. they can obtain DNA. This can then be tested against suspects (or databases).
CSI inspectors analyze the size, shape, and distribution of blood droplets to determine the origin of blood splatter. By using specialized techniques, such as stringing and trigonometry, they can triangulate the area where the blood was shed. Additionally, they may recreate the scene using dummy models and blood spatter patterns to simulate various scenarios and determine the most likely source.
No Normal urine should not include any traces of blood.
CSI NY - 2004 Blood Out 9-9 is rated/received certificates of: USA:TV-14
there is still traces of blood in the meat because not all the blood can be drained out of the animal.
She can find CSI schools over the United States but I would look for a CSI closet to her. She can go to csinow.edu's website and look for the program that fits her range.
CSI Miami - 2002 Blood in the Water 4-2 is rated/received certificates of: USA:TV-14
CSI Miami - 2002 Blood Moon 2-13 is rated/received certificates of: USA:TV-14
it's called an ALS alternate light source. it can project light in different wave lengths and spectrums.