lost their life and someone else's life aaron hernandez's life hangs in the balance. they understand the importance of this case and of their verdict. and i have to tell you, it can be very emotional in that jury room. they go in and they set up rules themselves, who gets to talk how they're going to take turns. at this point, they're debating people in the majority trying to convince people in the minority to go their way. and vice versa. so there's a lot of debating going on arguments, going back over the testimony, and the evidence, and trying to sway each other to try to come up with the unanimous verdict. >> another big case jury could be seated for the death penalty trial of james holmes, the shoot in denver movie theater. his attorney's planning an in insanity defense. >> not surprised with the insanity defense in this case. clearly this man has mental issues. remember the standard for insanity defense, they're not successful for a reason because