Caroline Medeiros, an immigration lawyer, told CBS News that the claim that Khanbabazadeh overstayed his visa or was out of legal status was "completely false." She said he first came to the U.S. on a student visa, graduated in March 2021, and transitioned to OPT, or optional practical training, a benefit for F-1 visa holders after graduation. He married a U.S. citizen in June and filed for his green card and had an interview four months ago, Medeiros said. She added that Khanbabazadeh was waiting a final decision when the arrest happened.