40-year-old Tae Heung "Will" Kim was detained by immigration officials at the San Francisco International Airport on July 21 after returning from attending his brother's wedding in Korea. In the week since his detention, he has still not been released despite being a green-card holder who has lived in the United States since the age of five.
https://www.washingtonpost.com/immigration/2025/07/29/korean-scientist-green-card-detained/