Despite efforts to downplay the story in the face of the Shanghai Expo, news of a recent wave of copycat killings has spread quickly through China, driven in part by the surprising revelation that many of the killers have been middle-aged and apparently well-educated men. Online, some netizens have blamed the government, which in turn blames social contradictions. Writing for the Telegraph, Malcolm Moore summarizes these attacks as a "turning point" created by alienation engendered over the last twenty years of China's industrialization. Where does the truth lie?With Kaiser Kuo out of the country, Jeremy Goldkorn of Danwei takes up hosting duties this week joined by Sinica regulars Gady Epstein, Beijing bureau chief for Forbes magazine, and China public relations expert Will Moss, whom you may know as author of the popular blog Imagethief. We also have Qin Liwen as a guest in the studio. She is a Chinese author and bookstore owner in Beijing who has written about these killings in the domestic media.If you enjoy this podcast, be sure to give us your take on things either in the comment section, or by writing us at email@example.com. And remember, to subscribe to the Sinica show through RSS, just open up iTunes, click on the "Advanced" menu and select "Subscribe to Podcast". When prompted, copy the URL into the box. Those of you who'd like to download this mp3 directly from our site can also grab it as a standalone mp3 file. Enjoy!