The footprints were clear and distinct to the brink of the pit, but fainter as they turned away, showing that the man who had carried the body had stepped more lightly and easily after relieving himself of his terrible burden.
"I must take plaster casts of those prints before it rains," said Galloway.

"They are far too valuable a piece of evidence to be lost.
They form the final link in the case against Ronald." "You regard the case as conclusive, then ?" said Colwyn.
"Of course I do.

It is now a simple matter to reconstruct the crime from beginning to end.

Ronald got through Mr.Glenthorpe's window last night in the dark.

As the catch has not been forced, he either found it unlocked or opened it with a knife.