It seems Batman celebrated very hard the conmemoration on his 50th anniversary. After having some heavy doses of something, the media got this video on his after-party.
Here is a GIF of this:
Maybe this is what causes his paranoia and the voices in his head
It seems Batman got deep on the wheeky wacky business, as on the following pic a soldier stands next to packages containing quality stuff marked with Batman and Captain America stickers in Tijuana.
The main problem is that Robin is doing it too!
Steroids are bad Robin!