He opened the window and made the mark on the sill to give an idea of how the murderer escaped.

It was a tall order, that; but as the bridge was up there was no other way.

Then, when everything was fixed, he rang the bell for all he was worth.

What happened afterward you know.

And so, gentlemen, you can do what you please; but I've told you the truth and the whole truth, so help me God! What I ask you now is how do I stand by the English law ?" There was a silence which was broken by Sherlock Holmes.
"The English law is in the main a just law.