test. well, may be. for one thing, said the defense, it would demonstrate in court that the firearm's expert was wrong, that the creamer's weapon could fire by accident. >> and i think what you'll see is that mr. mason, in fact, cannot say that this couldn't have been an accidental discharge. >> besides, there was lots of evidence of innocence, said the defense. would a guilty man sound this distraught on a 911 call? >> i need an ambulance right now. 3089 polk drive. 3089 polk drive. please hurry. >> what has happened? sir, don't hang up with me! what's happened? sir! sir? >> ken creamer would never kill his wife, said the defense. he adored the woman. and a parade of friends came to the witness stand to confirm it. music teacher. >> they seemed to get along well. >> the boy's fifth grade teacher. >> got along great, great hostesses.