1
All species have DNA
DNA
DNA profiling can be done for
any species involved in a crime
2
Woman murdered
Maricopa, Arizona, 1992
Body dumped at an abandoned factory
3
Suspect
Apprehended
Denied having been at the
site where the body was found
Back of his truck
Seed pods of the
palo verde tree
4
Suspect
More than one palo verde tree in Arizona
How to prove that the seed pods in
the truck came from the palo verde
tree at the crime scene?
DNA
5
DNA typing
DNA samples of different palo verde trees
Distinguish individual trees
Show and detect variability
DNA from seed pods in the truck matched
the DNA of tree at the crime scene