Clint Smith says; "if you look like food, you will be eaten."
Very true, some people, looking at the other side of that statement, give the impression, they are NOT food, and if eaten, or any attempt to eat, will not end in a good result, and predators let that fish swim by!
There are always more victims, letting one go is not a big deal.
The Movie where the brief case was lifted from the taxi (Collateral Damage) by three gang members, "Hey Homey" statement by Tom Cruise, started a sequence of actions, that ended in three dead gang members.
The small, slim man in a suit, was not seen as a threat.
The first clue, he was not frightened.