Lol ok, yeah seems to be a bug, she shouldn't be able to hand out multiple envelopes, I'll see that this is fixed in the next version.
I think there's still a way for you to progress with this corrupt game state because of the bug BING55 reported a couple days ago:
First tap on the divine comedy book in the toolbox. When you are in the book scene hard exit (force close) the application, don't exit over the menu, just kill the app, e.g in iOS or android swipe the application up, on windows use task manager etc. When closed, start the app again and press resume game in the menu, you are back at the book scene. Now press the white X on bottom right and you are warped back to the bookstore and not trapped in the police office anymore.
To get back your phone enter the private room of the bookstore and grab it (like you already did on day 1) from the desk.
After that the game state is valid again and you can proceed.