For people still capable of independent thought:

There is a concept of Moral Luck. Example demonstrating moral luck - you put one bullet into a revolver, spin it, point at someone and pull the trigger.

Outcome A: Revolver fires, killing your target.
Outcome B: Revolver does not fire, your target lives.

If you analyze outcomes on moral level, most people would agree that A is more morally wrong than B. At the same time you have to admit that chain of events was exactly the same, and actions taken were the same.

The problem is that moral judgments assigned based on factors under our control, but it is possible to demonstrate that in large number of particular cases we judge people for things that are not entirely in their control.

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