They are 'known' for it in the sense that if they do it, we will all 'know' about it. I'm sure that within a block of my home there are more people who've cheat

They are 'known' for it in the sense that if they do it, we will all 'know' about it. I'm sure that within a block of my home there are more people who've cheated that way than you could find in a week's worth of TMZ and The Drudge Report.