Re: Harry Potter question. (Spoilers likely but so what at this point)
short answer: A Wizard did it
Long answer: Dumbledoor's out-putter lead Ron to Harry and Hermione had a painting in her purse of holding of a Hogwarts headmaster that overheard her and reported to Snape. Thank you google.
No, you clearly don't know who you're talking to, so let me clue you in. I am not in danger, Skyler. I am the danger. A guy opens his door and gets shot and you think that of me? No. I am the one who knocks!