A Purdue University student has surrendered himself to police after allegedly shooting another engineering student on campus. Over 30 retired US Army, Air Force, and Marine Corps generals have signed a letter urging President Obama to close the detainment facility at Guantanamo Bay A US cybersecurity firm says it has evidence that the Russian government hacked several Asian, European, and US companies for financial reasons. Japan's Ocean Minister says that China's air defense zone over the East China Sea violates international law. Federal law enforcement officials in Manhattan have charged 13 with skimming $2 million from credit card readers at gas stations.