Police said a street vendor visited the loan shark last July and received 10 million won. In return he waived his rights to his daughters and let a street cleaner “adopt” them.<br />The street cleaner used the adoption document to secure rights to buy a luxury condominium but resold the rights to a high school teacher.<br />Using fake adoption documents, the ring obtained the right to buy 21 apartments in Seoul and nearby cities.<br />Police also charged 20 biological and 19 “adoptive parents” for accepting up to 10 million won in each case.