This was fun, especially the meta parts. There's a movie, a play, and a real-life murder, all of which have non-fictional parallels and all of which are tied together in the plot. I saw The Mousetrap in London when I was a kid, should've remembered that the 'detective' turned out to be the murderer, which See How cleverly riffs on. I expected the mystery to be resolved by Constable Ronan piecing together some minor, seemingly irrelevant details from her notebook.…