Interesting. Gross, and yet I'd like to get to the bottom of this mystery as well. Let us know once you've figured this out. I won't sleep well tonight either.
This thread is cracking me up! Like a lot of people said, it's not a big deal. I'd just disassemble it and soak it in the sink basin with soap. You could spray the pieces with Lysol too. But it will be fine.
Guys. In some third world places, plumbing is weak, so there's a little *special* trashcan in the bathroom for TP.
Undoubtedly, the dubious-paper (WaPo?) went in the trashcan.
AA