By that token, then, was Jamie Bulger's mother partially responsible. I will state upfront that I am not a parent, but I would imagine there are very few parents who haven't lost contact with their children for a few moments at least. Is there maybe a time limit? If so, what would that time...
If Maddie McCann was abducted, then the abductor and the abductor alone is responsible for her disappearance. Blaming victims for crimes is a very slippery slope.