She passed the envelope to her husband, who peered at the address as she had done.
"Let's have the lamp, Susan, you can't see to read in this here light. Not that I suppose it's anything worth reading, but mine ain't cat's eyes anyhow."
The lamp was lit and placed upon the table. Mr Granger studied what was written on the sheet of paper which he took from the envelope.
"Robert Champion was the name of the man who was murdered in the wood. The mistress of Exham Park, who calls herself Miss Arnott, was his wife. He came out of Wandsworth Prison to see her. And he saw her.
"Ask her why she said nothing about it.
"Then the whole truth will come out."
Mr Granger read this once, twice, thrice, while his wife and Mr Nunn were watching him. Then he scratched his head.
"This is rummy--uncommon. Here, you take and look at it, it's beyond me altogether."
He handed the sheet of paper to Mr Nunn, who mastered its contents at a glance. Then he addressed a question to Mrs Granger, shortly, sharply.
"Who gave you this?"