A gentleman can adapt himself to the lowest as well as those who are higher in the social scale, but the case cannot be reversed.
There are many cases where even I would be useless.
Suppose, for instance, it were necessary to worm our way into the confidence of a young lady. What could an old man like me hope to accomplish in a case like that?
Nothing, of course.
It would be necessary to have an assistant, either a good-looking young man or a woman.
So you see no detective can cover the whole ground, and you must not only know how to choose your assistants, but how to use them to the best advantage.
That’s where the all important qualification of good judgment and common sense comes in.
CHAPTER III.
SHADOWING.
The art of shadowing is perhaps one of the most difficult things a detective has to learn.