NEW : Sister : `` the sister said Thursday . Euna Lee `` skinny , '' Laura Ling struggling to talk because of isolation . NEW : Kim Dong Nam's wife and daughter are in North Korea. Laura Ling plans to detail what transpired , sister says . Euna Lee 's daughter keeps following her , Lisa Ling says .
NEW : Sister : Euna Lee `` skinny , '' Laura Ling struggling to talk because of isolation . NEW : Kim Dong Nam's wife and daughter are in North Korea. Laura Ling plans to detail what transpired , sister says . Euna Lee 's daughter keeps following her , Lisa Ling says .