Chuck........you will probably open up barrels of worms if you can to investigate the credentials of all the foreign gijangnims in KAL!
Some of the so called adventurers were caught if the happen to meet with a sharp local Korean LIP ( not many, believe me! ). Those lucky enough to be " trained " by expay LIPs get through with a lot of " advice " on how to fool the system or fool the Korean checkers! There you have it, easy as ABC.