What I look for in any character, good or bad, is whether I can hear him speak. If I can imagine him that clearly, then I can write about him.
Thomas PerryThere is no place so benighted and godforsaken that some moron won't go there on vacation. People could be living in an open sewer and swallowing dirt to stop the hunger, and there'd be a couple from Larchmont wearing comfortable shoes there to take pictures of them.
Thomas PerryThe characters you refer to as predatory and unsavory are useful. They're the ones who make a novel into a thriller. They're active, and most of the common virtues, the signs of a good person, are not.
Thomas Perry