Hint 1
Hint 2
You'll run into Detective Durkin when you're investigating what happened to Jeremy.
How do I find out what happened to Jeremy?
Incidentally, if you played Blackwell 2: Unbound, the name Sam Durkin may sound familiar to you. He's the estranged son of the shut-in who was killed by the Countess, which might account for some of his attitude.
