cosima/natasha.
I can see that, yes, but new information has been brought to the table.
The task assigned to Andrew at the circus, the other priest, was to "fuck the Pope". This Pope is in the block that information was given to. After that was announced, he conveniently decided to move out, which leads me to believe there was some tension there.
He also was nowhere to be found when I went by the Church today.
There's far more of a reason for him to be willing to make people disappear than I, particularly when my best friend was one of the first to go. Additionally, there seems to be a growing consensus that the responsible individual is in Mike.