Probably so he could deface it. Possibly to find out of context quotes to bolster, in his mind, rationalization of his actions.
My very thoughts. I said to myself, I guess he’s frequently low on toilet paper and wants a reliable standby that any American court would allow him. I’m surprised he’s still around. Remember what happened to that Cleveland Maniac who locked those women up for a decade? He accidently hurt himself. There must be a ring of guards constantly protecting this vile murderer from (self) harm, with all cameras a-rollin around the clock.
Bingo.
That was my guess. Looked down to see if I would be the first....but NOOOOOO...you beat me to it ;-)
But yes...that was my guess: To use in his defense about killing the enemy...men women and children.