Anthony Berkeley,
The mystery at lovers' cave
(1927)
“ Roger watched him in frank amazement.“Yes, that was your trouble, sir,” resumed the inspector, in a slightly didactic voice. “All the time you’ve been refusing to look the facts in the face. This was a simple case, so far as just finding out the truth went; as simple as ever I’ve come across. But that wouldn’t do for you. Oh, dear, no! You must go and make a complicated business out of it. As simple a little murder as ever was, but you want to run about and raise all sorts of irrelevant issues that had nothing to do with the case at all.” ”
