You should probably seek an immigration lawyer to help you. Sometimes ICE agents get a little upset when they see that status was changed like that without going through proper procedures.
By contacting USCIS and explaining their situation. Basically, there is no way to (legally) get a green card without going through US Customs and Immigration Services.
If your spouse has committed a crime in their home counrty there is a good chance they will be denied a green card or any extended stay visa, however I do believe they are allowed to get a shot-term...
Well that is not hard thing to do. but you need better guidance. i also came here in 2002 with tourist visa and stayed here by getting student visa. person who helpmed me in this situation is Ren...