| Crime |
In June 2011, Michael Gardner was arrested for sexually abusing two girls, 9 and 10, during his daughter's slumber party in his Falls Church, VA home the previous week. |
| Evidence |
The victims' underpants and pajama pants were recovered. |
| DNA |
Virginia's Department of Forensic Science developed DNA data
from the underpants and pajama pants. |
| Match |
The lab's manual analysis could not provide a match statistic. |
| TrueAllele |
On the same data, the computer's statistic connecting the underpants with Mr. Gardner was 20 quadrillion. The computer's statistic connecting the pajama pants with Mr. Gardner was 3 thousand. |
| Cybergenetics |
On February 28, 2012, Dr. Mark Perlin testified at the trial about the computer's DNA match statistics in this case. |
| Outcome |
Michael Gardner was convicted of three counts of molestation and sentenced to 22 years in prison. During the appeals process, Gardner pleaded guilty to one count of object sexual penetration and four counts of aggravated sexual battery. |
