He's watched every episode of this:
https://www.youtube.com/watch?v=P6JG-u5LnuA
and a whole lot of walking dead.
I've got the kids tomorrow so I'll talk with him then.
There was also this disturbing thing:
https://www.youtube.com/watch?v=D4I9K_plx4s
Innocence is wasted on the innocent.