"Business first, pleasure afterwards," quoth the philosopher, sagely.

"Apropos of what?"

"This case. I know you are in love, I know the lady you love. I quite approve of that love. Marriage, however, should begin with no secrets between man and wife."

"Pish!"

"In this case the wife would have a secret from the husband."

"Rubbish!"

"It may be, but it's rubbish that concerns those letters."

"Perhaps you'll accuse Judith of the murder," cried Roger, in great wrath.

A blank wall would have been more expressive than the face of the detective.

"Why didn't she want me to read those letters?" he asked, quietly.