feigning an illness, a defete and trying to get -- defect and trying to get out of it. i think the you look at this tape, his conduct is not sane, and he's talking, he's ranting about iran, he's ranting about iraq, about jesus christ, he's rambling. gregg: you know, arthur, you don't think it's going to work here, you are so predictable. [laughter] tell us why. >> well, i'll tell you why. first of all, statistically speaking, i think it's only use inside 1% of all cases in the country, people invoke the insanity defense, and that's because it's only successful in about 20% of the time that it's used. and here's the kicker, gregg, when you're successful, when the jury says, yes, he's not responsible because he couldn't understand right from wrong, therefore, he goes to a mental institution. gregg: yeah. but he can be let out if after a period of time he is determined to be sane and not a threat to society. >> absolutely, your honor.