Witness are very unreliable. Let's say the photo lineup has 6 persons, that appear to be the usual. The police encourage the witness to choose one of them , th

Witness are very unreliable. Let's say the photo lineup has 6 persons, that appear to be the usual. The police encourage the witness to choose one of them , that appear to be the usual. There is a 16.6% of a coincidence. This guy has only a 2.7% probability to win the lottery, but if both witness had coincided to selected another person, it would have changed only the name in the post.