My daughter,who is US Citizen, get married back in 2009, and her husband came to US late 2011. After he get his 10 years green card, he has give my daugther hard time, he hit her, and finally he move to different stat. I sponsored my son-in-law for Green Card. There is no reason for for that and we felt he cheated us. I need help in how I can cancel the Green Card immediately. I do not want him to take advantage of other US girls. Please help in directing me in getting this completed or email the best lawyer who can help in getting this done for me. Thanks for your help in advance.