Why should he fear a trap?
There would be no reason in his eyes why the finding of the ring should be connected with the murder.

He would come.

He will come.

You shall see him within an hour ?" "And then ?" I asked.
"Oh, you can leave me to deal with him then.

Have you any arms ?" "I have my old service revolver and a few cartridges." "You had better clean it and load it.