If it hadn't been for our informant--" "Who is your informant ?" inquired Ransford.
The two callers looked at each other--the detective nodded at the inspector.
"Oh, well!" said Mitchington.

"No harm in telling you, doctor.

A man named Glassdale--once a fellow-convict with Brake.

It seems they left England together after their time was up, emigrated together, prospered, even went so far--both of 'em!--as to make good the money they'd appropriated, and eventually came back together--in possession of this secret.

Brake came specially to Wrychester to tell the Duke--Glassdale was to join him on the very morning Brake met his death.