Need online help The Mousetrap: Throughout the play, characters are frequently

1. Throughout the play, characters are frequently commenting on how they don’t really know each other. In life is it ever really possible to know somebody or do we all have something to hide?
2. Now knowing that Inspector Trotter was the murderer, did he conduct a satisfying investigation? Were there things that he could’ve done better? What un-police-like things did he do, if any? Was he convincing as an investigator?