The following link will provide you information about the attorney discipline for attorneys admitted to practice law in Virginia: http://www.vsb.org/site/regulation/lawyer-discipline. There is also information about how to file the complaint.
You can file a complaint with the Board of Immigration Appeals or with the Virginia State Bar Office of Bar Counsel.
The answer provided here is general in nature and does not take into account other factors that may need to be reviewed for a more precise answer. You should consult with an immigration attorney before taking any action. The answer here is not intended to create an attorney-client relationship.