He didn't as much as twitch an eyebrow.

He said that he was married and settled now, and that all he wanted was not to be interfered in his little business.

I took it upon myself to promise him that, as long as he didn't go in for anything obviously outrageous, he would be left alone by the police.

That was worth something to him, because a word from us to the Custom-House people would have been enough to get some of these packages he gets from Paris and Brussels opened in Dover, with confiscation to follow for certain, and perhaps a prosecution as well at the end of it." "That's a very precarious trade," murmured the Assistant Commissioner.
"Why did he go in for that ?" The Chief Inspector raised scornful eyebrows dispassionately.
"Most likely got a connection--friends on the Continent--amongst people who deal in such wares.

They would be just the sort he would consort with.