Question

How can blood be used as evidence? List at least 3 ways.​

Answer 1

Blood is red, red is sometimes used for screens due to it being a “ unique “ background which makes it very easy to spot

Blood can actually be used to find out a persons identity by DNA testing

Blood can be smelled ( not with the human nose ) but with a experienced K-9 dog

Answer 2

Step-by-step explanation:

The most common applications of blood evidence are: Finding blood with the victim's genetic markers (ABO blood type, DNA profile, etc.) on the suspect, on something in the suspect's possession, or something associated with the suspect (such as the suspect's fingerprints).