The most serious violent crimes, notably the offences of rape and murder, are most commonly committed by individuals known to the victim. When the suspects for the commission of a crime are obvious, DNA detection is superfluous. Moreover, it is invidious to propagate the belief in the public that crimes can be solved, or criminals deterred, by computer wizardry; evidence collected by a UK Parliamentary Commission suggests DNA matching led to crime detection in as little as 0.3% of cases1. Ultimately, unless the DNA is used to identify a genetic cause for aggression, violent crimes will continue to be committed 1 Home Affairs Committee. (2010, March 4). The National DNA Database. Retrieved May 19, 2011, from UK Parliament: