Anybody's guess.
Welcome to Guesswork. The title is an oblique reference to a quote by John Dickson Carr’s fictional master sleuth, Dr. Gideon Fell:
“I have committed another crime, Hadley,' he said. 'I have guessed the truth again.”
I am no Dr. Gideon Fell — but I will do my best.
In the meantime, tell your friends!