"Complicated affair, my lad! More in it than one would think at first sight.

I'm certain of this quite apart from whatever mystery there is about the Braden affair and the Collishaw murder, there's a lot of scheming and contriving been going on--and is going on!--somewhere, by somebody.
Underhand work, you understand?
However, my particular job is the Collishaw business--and there's a bit of information I'd like to get hold of at once.

Where's the office of that Friendly Society we heard about last night ?" "That'll be the Wrychester Second Friendly," answered Mitchington.
"There are two such societies in the town--the first's patronized by small tradesmen and the like; the second by workingmen.

The second does take deposits from its members.

The office is in Fladgate--secretary's name outside--Mr.Stebbing.