. >> defense attorney james nobles thought the 911 recording spoke volumes about that household. >> ithe hell that charlie lived in for a brief moment. and the hell that jean lived in for a brief moment. >> and they kept piling on. jim tan continued the defense wasn't just a bully at home. his employees testified about the abuse they, too, encountered in the work place. >> every other person who worked with jim tan said he was miserable, behaved like a child, he would bully people, was nasty at work. >> so a son defending his abused mother was a defense no-brainer strategy that seemed to require little assembly. the other defense lawyer, brian decarlos. >> i think most people that looked at this case said the only defense is self-defense or some hybrid of, you know, a battered child syndrome. >> but as the trial progressed, that wasn't the attack charlie's defense team planned. >> our strategy was to keep our strategic defense in our back pocket, hidden from the prosecution as long as we possibly could. >> so what was the secret defense? they were going to agree with the prosecution on