Then he noticed a gangling figure in the second row, the figure of an elderly man with a long, slack face that seemed faintly familiar to him, though he could recall nothing about it, except a vague’ memory, as of a photograph seen in some unsavory publication.
There are no more uses of "unsavory" in the book.
Show samples from other sources
They brought something out in me that was unsavory.
Gillian Flynn -- Gone Girl
And as you know, a certain senator was just revealed to be involved in some very unsavory business.