D (witness) remembered that he had stayed until about 2:50 a.m. close to Son's group.
D was around 20m away from them.
He also took a picture of Son and his friend.
This picture was provided to Yonhap News TV.
" The person wearing the baseball jumper was trying to lift Son Jungmin up, but [Son Jungmin] laid down again. (Son's friend) suddenly started packing things in his bag and started strolling around. By the time we left, he laid down again... He laid down next to Son Jungmin ssi again"
"My friend knew that I had this picture so they told me that even if I could help this case a little bit, that I should speak up, even though it's nothing big..."