Answer: evidence
Explanation: Crime scene investigators collect evidence such as fingerprints, footprints, tire tracks, blood and other body fluids, hairs, fibers and fire debris.
Strychnine poisoning can cause extremely serious adverse health effects, including death.
Cyanide is a dangerous substance in any form. It may occur in the form of hydrocyanic gas or as solid compounds such as potassium cyanide. It is one of the most lethal poisons known; an amount of 0.2 gram (0.007 ounce) administered to a 70-kilogram (154-pound) human causes death within minutes.
Less commonly, blood in your vomit may be caused by: swallowing poisons – such as corrosive acid or arsenic. a blood condition – such as a reduced number of platelets in the blood (thrombocytopenia), leukaemia, haemophilia or anaemia.
which might be why there's blood splattered on the wall of the victims home!
Answer:
How do clues in or on a body help scientists determine the cause of death?Abnormal changes in the shape, size and density of bones can indicate disease or trauma. Bones marked by perimortem injuries, such as unhealed fractures, bullet holes, or cuts, can reveal cause of death. The trained anthropologist is also able to identify skeletal clues of ancestry.