Looks promising! However, there's definitely not enough time to gather clues before the "Who is the murderer" dialog pops up (I barely completed the questioning for the first suspect!) The answer is also given when the choice is made between the three suspects regardless of whether it was correct or not. One way is to allow for replay (i.e. release the answer only when the player gets it right), and the other is to give the player more time to gather clues from each suspect.