Your mother in law needs to apply for a visitor visa at the US consulate in her home country. There is no requirement that be sponsored by anyone. She needs to qualify based on her own personal situation (Job back home, Assets like real estate).
Consumers can use this platform to pose legal questions to real lawyers and receive free insights.
Participating legal professionals get the opportunity to speak directly with people who may need their services, as well as enhance their standing in the Lawyers.com community.