I like the idea a lot! I felt a bit overwhelmed with the amount of people to talk to/investigate though. Maybe that's just me as I've barely played any games like this.
I kind of wished that we didn't have all the existing info/notes on people and we have to figure out ourselves who is who and what their connections are (and take our own notes). This could have then been with fewer possible people to accuse. I know you went in a different direction, but now it felt like I had to memorize so much about so many people and had to open notes every time a person was mentioned.
Still though, I enjoyed my time, well done!