Ai Weiwei.

Picture credit: A self-portrait taken during Ai Weiwei's arrest in Sichuan province (before he was beaten). It is 5am and Ai Weiwei is in a hotel elevator with a policeman and a fellow activist.
Video credit: Ai Weiwei, Never Sorry, a documentary directed by Alison Klayman.
References:  Ai Weiwei's Blog: Writings, Interviews and Digital Rants, 2006-2009 (MIT Press), edited and translated by Lee Ambrozy.