I think like most attorneys he would stand behind the law and he would also stand behind his client. In this case it would mean forcing the prosecution to prove

I think like most attorneys he would stand behind the law and he would also stand behind his client. In this case it would mean forcing the prosecution to prove that his client actually did this illegal thing as well as making the judge and jury aware of all mitigating circumstances. That being said, it's quite common for attorneys to refuse cases they don't feel they can try to the best of their ability in good conscience.