He's in Japan and been formally with embezzlement. He's probably being held on remand in a Japanese prison until his trial unless the police are still holding him in a police station for more questioning. Japanese prisons are tough places, you don't get much food, so he might look slim by the time he goes to court.
Here is how a Japanese prison life is...
https://www.youtube.com/watch?v=yiw2NULDjKMWow, that looks absolutely brutal. remind me to commit no crimes in japan