Where do most people get caught cheating?

All cheaters eventually get caught.

ANSWER:

Are you asking who get caught easily while cheating, husband or wife? If this is your question, I think but don't take my Words for it, married men are easily get caught when they are cheating because of how they act, and body language. Even they are careful what they always forget is when they are around their family, body language is the number one that can give them away.