For example during a murder trial: "And is it true Mr X, that you browsed the page 'Top 10 amusing CSI murder strategies" "Yes, but.." "And was number 6 not the exact method used to murder Ms Y?" Jury murmers in disapproval
It's like numerology, the more data points you have the higher than odds of finding a couple of data points that coincidentally line up, all in a conveniently subpoena friendly Google data centre.