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# Glass analysis 5. A hiker called 911 to report that while hiking,...

Glass analysis

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5. A hiker called 911 to report that while hiking, his dog had run off into the woods. The dog started barking and would not return so the hiker went into the woods to retrieve his dog. As he got near the dog, he noticed a man lying on the ground. The hiker attempted to resuscitate the man on the ground but was unable to do so. The police were called and responded. The area was secured around 1:45 PM. The weather conditions were sunny and warm ( the outside air temperature was 85 F and the relative humidity was 90%), The man was dressed in a long sleeved shirt, dark leather jacket and jeans. The crime scene investigation unit was called to the scene to collect physical evidence. Evidence collected included a 30 ounce bag of an unknown white powder that was found 2.5 feet away from the body. Hair, soil and glass samples were also found. The medical examiner noted that the victim's body temperature was 94 F. a) How many grams of the unknown powder were found? b) How far away in meters was the unknown powder from the victim? c) What was the temperature of the victim's body in Celsius? d) Based on the victim's body temperature, what would you estimate as the time of death?

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