Jury nullification.* Not guilty.
Then demand restitution, and genuine assistance for the offender. Not prison time. Obviously, prison/jail didn't work the first time.
*The ancient right of a jury to determine the justness of the law, too. If you read just the first section of Lysander Spooner's essay Trial by Jury (1840?), you will know more about the function of juries than 95% of Americans. Really. Its that simple. Just google the essay, read Section I, and you're way ahead of most people. It takes less than ten minutes to read Section I.