"How can you be?
You were at the station with me.

What makes you sure ?" Hanaud produced a brown kid glove from his pocket.
"This." "That is your glove; you told me so yesterday." "I told you so," replied Hanaud calmly; "but it is not my glove.

It is Wethermill's; there are his initials stamped upon the lining--see?
I picked up that glove in your room, after we had returned from the station.

It was not there before.

He went to your rooms.