Answer:
Everybody's got one.
A defendant will go free if a reasonable amount of this exists.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
What has a hundred limbs, sometimes leaves, but cannot walk?
What is not a ball but yet a sphere, and holds all lands and people year after year?
I am free the first time and second time but the third time is going to cost you money.