Is it possible to adopt a 19 yr Old illegal immigrant? He had lived in the u.s. since he Was 5. His mother died When he Was 9. He lived with his dad and last yr. His dad, step mom & siblings moved to Spain. He stayed here so he could finish high school. Now he wants to go to college & be an American citizen. He has Been my sons best friend since the 4th grade & has lived with us off & on for 2 yrs. He has Been with us this time for the last 6 months.