But would the strain on him be so heavy as it plainly was, if he knew himself to be innocent?
And then his eagerness to fasten the crime on the mysterious woman.

It had been astonishingly intense, almost hysterical.
When he reached the Castle he found Inspector Perkins awaiting him with a small package which had come by special messenger from Scotland Yard.

It contained enlarged photographs of the fingerprints on the handle of the knife.

They were all curiously blurred.
_The murderer had worn a glove._.