Everybody lies. But what makes you a good detective, is to know which lies to bite into, and which to ignore.
Because the murderer is among these people, and you are the lucky detective assigned to this mess of a case.
Tell Me Everything is a text-based adventure game, with a word-puzzle on top. It's a game about pushing your luck and coordinating testimonies, to finally catch the killer.
It's about the satisfaction of catching someone telling a lie, and getting every little detail out of a conversation.