randy phillips said he hired them, but we got to spend a lot of time on this. >> this trial has focusedervise conrad murray, the doctor who gave michael jackson that fatal dose of propofol? if so, how much should it pay to jackson's mother and children? alan, for those who have not been following this case as closely as i know you have, what is the critical piece of evidence in this case? >> reporter: well, there's a lot of e-mailing and there's testimony. e-mail, including one from one of the top aeg live executives, saying remind dr. murray who is paying him and who he answers to, it's us, not michael jackson. the first question the jurors have to decide is if aeg live actually had a contractual agreement. there was a written contract, it's just it was only given to dr. murray the day before michael died, so everybody didn't sign it. those are the crucial questions. did they hire him, and was it negligent? >> okay. alan duke for us in los angeles. i know possible compensation here if the jackson family wins this thing is in the billions of dollars. alan, thank you. >>> twitter, facebo