You've probably seen this in a movie, but here is the real life version!
"Julio Diaz ends his daily subway commute one stop early, just so he can eat at his favorite diner. One evening, his routine was broken when a teenage mugger took his wallet at knifepoint. But neither of them could have predicted what happened next."
http://www.npr.org/templates/story/story.php?storyId=89164759