Sister Clotilde said that she moved Martin Waddy/Ralf Collins into Michael's room and kept him as her secret. Since Martin/Ralf was close to death, he couldn't assist and as it was her secret she couldn't get one of the other nuns to help. How did she move such a large man, by herself from his bed to the secret room?
When Raymond comes to his aunts room, drunk, he is seen spilling the remains of his drink in a theatrical gesture. After a cut to Ms Marple, scolding him, his glass is full again when he goes to sit down on the edge of her bed.