[moocowduckquack]

He was told he could leave the airport, escorted by personnel, but that his bag had to remain.

Being told you can walk away if you like but we are keeping your stuff, is usually a form of theft.

[einhverfr]

Not a form of theft, but it is a seizure of property.

This is interesting. The argument is over whether he was detained or whether his property was seized. Fun shell game there. Not....