The grenades were wired to a control box in the kitchen, which police managed to disable with the help of a remote-controlled robot. It appears clear that the setup was left to add to the death toll from the movie theater where Holmes allegedly killed 12 and injured nearly 60 others early Friday morning.
"Imagine that fireball ... you would have an explosion that would knock down the wall of (nearby) apartments," the official told CNN. "That flame would have consumed the entire third floor (of the apartment complex). ... By the time a fire truck would have arrived, they would have arrived to a building that would have been completely consumed in flames."