[Luther10]

Hi, you are the same person from youtube? Here is my reply again: ok, I looked up a walkthrough, there are 2 things in particular: 1)Pratt's bedroom: you have to pick up and examine the picture and later show it to Hartgrove 2) examine the formula with the lab table back at 221B ///
and also pay attention in the video when conversation choices with Hartgrove show up, make sure in your game, you also have all those choices... if you are missing even one conversation choice, then that means you've missed doing something related to that choice...