fingers on each hand? >> yes. >> why is that? >> i did not -- i did not write the protocol. i don't know. >> do you know who did write the protocol? ? i don't know either. >> is that okay with you that they use one stick for all five fingers? >> i -- that's not my job. i would not worry about it. >> would you agree that if you use one stick for all five fingers, there's no way to identify which finger may have had the biolog>>alyeah. you -- >> the defense on cross-examination trying to cast out on the overall credibility of this medical examiner and we'll be right back. i help support bones... [ ding! ] ...the immune system... [ ding! ] ...heart health... [ ding! ] ...and muscles. [ ding! ] that can only be ensure complete! [ female announcer ] the four-in-one nutrition of ensure complete. a simple choice to help u eat right. [ major nutrition ] nutrition in charge.