I grew up in a family with a whole mess of brothers and sisters, a father with a drinking problem and a two-inch wide leather belt, and a mother who was too tired to care. When you live in that kind of environment, you learn one thing right quick. Never take the blame for anything if you can lay it on someone else.
Sometimes you can find a Fall Guy by accident. But don't count on it. The shrewd player will choose the mark in advance. Cultivate a relationship. Sow the seeds early, and you'll reap some hefty benefits down the line.