However, in resting horses, a heart rate over 80 can be a sign of a serious problem. If a calm horse has a pulse that is consistently over 60, it can also be a problem. Things that can increase the horse's heart rate include exercise, fear, pain, stress, and excitement.
Because blood analysis is a comparison analysis (comparison of the victim's blood and the suspect's blood to blood found at the crime scene), reference blood samples are needed from the victim and suspect. A comparison must be made between the genetic markers in the victim s blood and the suspect's blood.
Often called blood splatter or blood splatter experts, these crime scene technicians are called to sometimes gruesome scenes to gather crucial evidence regarding violent crimes. Bloodstain pattern analysts use their expertise to determine: The type of weapon used; The direction of travel of a victim or suspect; The trajectory of a projectile