 Police set a passenger on an Asiana Airlines flight who opened a door on the plane minutes before it landed in Taegu, South Korea, on May 26 was not of sound mind after detaining him. He is mentally struggling right now we could not investigate him properly due to his state, said Kim Jong-chun, a police officer from the Taegu Dongbu Police Station. The man, in his 30s and identified only by his surname Lee, told police that he opened the door because he was uncomfortable and wanted to get off the plane quickly, local cable news channel YTN said, citing the Taegu Dongbu Police Station. He also told police he was stressed after losing his job recently. The man, in his 30s and identified only by his surname Lee, told police that he opened the door because he was uncomfortable and wanted to get off the plane quickly, local cable news channel YTN said, citing the Taegu Dongbu Police Station.