Public (tax payer funded) testing laboratories for forensic evaluation are

a. paid for by tax payer dollars are available to defendants
b. paid for by tax payer dollars and are available to all police and government agencies
c. are only located within the federal government including such agencies as the FBI, CIA, DOE, DOD, etc.
d. at all levels of government including federal, state and local
e. recognized as providing the best forensic analyses