They had already interviewed North Korean defectors living in China illicitly and said they wanted to document the smuggling route across the Tumen River which divides China and North Korea.

• 她们当时正在进行非法入境的采访报道，当时已经采访了一些非法居住在中国的北朝鲜难民，随后打算完成从朝鲜到中国的偷渡路线：中朝边境只有图门江一江之隔。