A by-the-numbers look at the trial of Colorado theater shooter James Holmes:

421: Number of people inside the movie theater at the time of the shooting

12: People were killed

70: People were injured

4: Weapons Holmes had on him, including a rifle, a shotgun and two handguns

6,295: Rounds of ammunition Holmes purchased before the attack

30: Homemade explosives set up in Holmes' apartment to go off at the time of the theater attack (they didn't)

85,000: Estimated pages of evidence in the trial

$2.2 million: Taxpayer dollars have been spent so far investigating and prosecuting Holmes

22: Hours it took for a second sanity evaluation of Holmes

1,012: Days have passed between the shooting and Monday's opening statements

84: Days needed to select a jury

94: Days needed to select a jury, try and convict Dhzokhar Tsarnaev in the Boston Marathon bombing

More than 40: Media organizations requested seats in the courtroom

At least 10: Lawsuits have been filed against the theater