As boring as it sounds I think it may very well be the monsignor.
I don't understand a few things, like why the monsignor disclosed the allegations against Tucker directly to Barba? How would he even know the case was with the ADA to begin with? Was he tipped off by someone in Barba's office? And of all the things to be reminded of after hearing Cara's name the monsignor commented on how pretty she was...
I also feel like the monsignor saying Nina was on leave due to psychiatric reasons was to make us as the audience question her intentions.
I think Nina's strange ticks and odd behavior is from genuine trauma - possibly received at the hands of a man considering how skiddish she is when they're in the same room together.
Nina mentioned shock therapy as she was fleeing Benson's apartment, which was quickly followed by an outburst of "I"M NOT CRAZY" which sounded like it held a combination of resentment and anger. Could she be remembering the days she was treated as if she was crazy (but wasn't) but no one would listen to her? Is there a chance it was a conspiracy to keep her quiet? Perhaps the culprit/s knew Nina suspected their trafficking ring and because of that she had unconventional ways of "treatment" forced on her which left her paranoid and scared - perfect for the "physiological issues" story we heard from the monsignor. That's a wild theory, I know.
Is anyone suspicious of Father Akintola?
Hopefully Fin comes in with fresh eyes and sorts this mess out!
