I wanted to make a similar game but because I wasn't sure how to approach it so I went with a simpler idea. I like how without much visuals or anything too complicated you managed to make an interesting experience!
I have a bit of feedback to give. The main thing is that it was too obvious who the culprit is, so obvious that I was worried it was a red herring at first. In a game that has nothing but a puzzle you must solve I think it would have been cool to have more misleading clues. But I think even though it was obvious who the culprit is, it was interesting to interact with the different locations and people to get clues that fit into that narrative, and also to have people lie to you and make you question yourself.
At times, the text got typed extremely slowly and nothing I pressed sped it up, that wasn't too fun.
I also had a bug where the game thought I clicked something when I didn't, which triggered for me at the very end when I needed to pick the culprit! I had to replay the game to know if my guess was correct, and that was a bit frustrating.
Overall, I did enjoy the game and learned from it for my own future games.