Usually when they were caught in the trap, I woke up to them squeaking or thrashing around within a few minutes to at most hours of them being caught and drowne

Usually when they were caught in the trap, I woke up to them squeaking or thrashing around within a few minutes to at most hours of them being caught and drowned them by placing the trap upside down in water. I agree it is not a merciful way to go, but they do not make good houseguests and other methods proved ineffective.