Usage patterns
詐欺にあうto fall victim to a scam
〈動詞〉詐欺used jokingly to call out someone for repeatedly promising to do something and never following through
"Let's grab dinner sometime" is basically an empty promise.
詐欺を働くto commit fraud
He committed marriage fraud.
詐欺で逮捕されるto be arrested for fraud
The man was arrested for fraud.