He's a lazy dog, too--like the rest of them." "What do you get from him in exchange for your protection ?" The Chief Inspector was not inclined to enlarge on the value of Mr Verloc's services.
"He would not be much good to anybody but myself.

One has got to know a good deal beforehand to make use of a man like that.

I can understand the sort of hint he can give.

And when I want a hint he can generally furnish it to me." The Chief Inspector lost himself suddenly in a discreet reflective mood; and the Assistant Commissioner repressed a smile at the fleeting thought that the reputation of Chief Inspector Heat might possibly have been made in a great part by the Secret Agent Verloc.
"In a more general way of being of use, all our men of the Special Crimes section on duty at Charing Cross and Victoria have orders to take careful notice of anybody they may see with him.

He meets the new arrivals frequently, and afterwards keeps track of them.