Reuters, September 28, 2011
http://old.news.yahoo.com/s/nm/20110928/wl_nm/us_china_artist_detentions
Ai's wife's open letter to the NPC can be found at:
对《中华人民共和国刑事诉讼法修正案（草案）》的意见 (Comments on the Draft Amendment of the Criminal Procedure Law)
Lu Qing, September 28, 2011
http://loveaiww.blogspot.com/2011/09/blog-post_5440.html