Fingerprinting
Fingerprints are formed when?
during pregnancy
What cannot be determined by observing blood splatter?
the DNA
NO
Define Algor mortis:
when a body loses heat energy and the temperature of the corpse will decrease until an equilibrium is reached
Which organ does alcohol poisoning most likely negatively affect?
liver
What are ridges?
Lines on a fingerprint
25
What are 3 parts that are part of a handgun?
1. trigger
2. barrel
3. hammer
more than 36 hours
Who is more likely to get intoxicated faster?
females
How are fingerprints left behind?
Results of oil and secretions that are transferred to other surfaces
What is the relationship between free falling blood and the spatter is creates?
directly proportional
Describe the trajectory of a projectile:
the path and flight of the bullet
Define ambient temperature:
the environmental temperature in which a body is found
What is the limit that someone is impaired?
0.08
What is the common form of fingerprints?
Loops
What protein is present for it to be a positive blood type?
ex: A+ O+ B+ etc.
Rh protein
Can someone test positive with GSR even if they did not touch the weapon?
yes
What are 3 factors for determining TOD?
1. Environment temperatures
2. Weight
3. Activity prior to death
What are 3 tests that can be conducted to test for alcohol?
1. Blood
2. Urine
3. Breath
What are plastic/impression prints?
Prints left on soft material such as putty or clay
What are 3 types of presumptive blood test that can identify blood at a crime scene?
1. Kastle- Meyer
2. Luminol
3. Phenolphthalein reaction
What are striations?
markings on a bullet/projectile that are unique to each weapon
Define Death
definition for death is debatable and there is no perfect agree upon definition
higher metabolism