i need your help po regarding my friend's case. his name was under watch list in immigration so when he tried to go back to korea by december last year 2011,he was blocked in airport; said that someone had complained about him that the complainant is unknown.he tried to find settlement with that matter and tried to go to korea again by march,but the situation is just the same with before and now its been 6 months already since then.so since that time,his attorney try to settle that again but until now its not yet cleared and attorney said he found it difficult to solve this case.we just cant understand why.can you please help me with this matter?on whats the best thing to do?please help me