Mr Close's case was one of two that have come to light recently where the offenders in question were gay men who said they were compelled to provide a sample because of convictions under a law that was repealed a decade ago.

BBC: A DNA autoradiogram

There is some debate as to how exact defensive statistics are, but there is little question that they separate the good from the bad, especially with a large sample size.

WSJ: N.Y. Yankees: There's No Defense for Derek Jeter's Glove

So when we start looking at the types of searches, look for question words, a lot of times they are more unusual because of the smaller sample size.

NPR: 'iPhone' Tops Google Zeitgeist List