Virus and spyware definitions are files that act like an encyclopedia of known malicious software, including viruses, spyware, and other potentially unwanted software.
Highly accurate DNA parental testing became available in the 1980s with the development of RFLP. In the 1990s, PCR, developed in 1983, became the standard method for DNA parental testing. A simpler, faster, and more accurate method of testing than RFLP, it has an exclusion rate of 99.99% or higher.
Even as the FBI rebuilt its reputation, other questions surrounding the use of DNA evidence have arisen since the late 1990s. In 1999, the department of justice issued a report stating that evidence from at least 180,000 unsolved rape cases had not been submitted for testing.