> Had the context been one in which a hitman was preparing to take a hidden shot at a target, and the target then died of a sudden cardiac arrest as the hitman

> Had the context been one in which a hitman was preparing to take a hidden shot at a target, and the target then died of a sudden cardiac arrest as the hitman remained out of sight, it’s far from clear that killing and letting die would be equally bad. But the two situations are not equivalent. The hitman is almost certainly not in a position to save his intended victim so he is not in any meaningful sense letting him die.