Law Offices of Grinberg and Segal | Alexander Segal
Unfortunately, you would need to provide additional information for us to be able to give you an opinion. Our office would need to know what he was convicted of, how long he was in the U.S., what status he had while in the U.S., etc. Your father may be able to obtain a non-immigrant visa to visit you, but it will depend upon the ties he can show to his native country as well as the conspiracy crime does not make him permanently inadmissible.
Answer Applies to: New York
Fong & Associates | William D. Fong
He applies for the visitor visa. You should provide more details as to the immigration violations and criminal convictions underlying the voluntary departure to an experienced immigration attorney to determine if your father will require a Section 212(d)(3) waiver.
Answer Applies to: Texas