Tom and William got off of work at 5:00 pm and started drinking at Tom's house. After drinking many beers the two men began arguing verbally with each other over pay. William picked up a heavy glass ash tray and struck Tom over the head with it. Tom later died from a traumatic brain injury. The officers that responded to the scene had moved items in the house so that paramedics could help Tom. In doing this they moved the glass ash tray. Which type of physical evidence do you think investigators would not find at this crime scene? Question 19 options: A) glass B) fingerprints C) explosives D) blood