US citizen had applied for a fiancé Visa, no marriage, immigrant fleas to stay in country, is citizen liable

Question

What liabilities if any a US citizen have when they applied for a fiancé Visa, fiancé enters the country, things went wrong they did not marry and the foreigner flees to stay in the country?

Answer 1

the citizen will not be prosecuted if he or she appears to have filed the petition without fraudulent intent; that is, he or she did fully intend to marry the visa holder.