the 16,000 square foot home. they say the fire caused the upper floors to collapse in to the basement. one of the largest jury pools in the nation's history has been called for the accused movie theater shooter holmes. it starts today in colorado. lawyers will begin the process of selecting a jury from the list of 9,000 potential jurors. it could take until june to find 12 jurors and 12 alternates who were not biassed by widespread news coverage of the shooting. >> if you don't believe in the death penalty, you won't end up on the jury and the prosecution is looking for people who are frankly outraged by this case but nevertheless say they can be fair and impartial. >> reporter: defense attorneys argue that holmes was mentally ill when he opened fire in the aurora theater killing 12 people. after a nearly three-hour wait, passengers were given the all-clear after a bomb threat.