you are linked to the violent captioning sponsored by macneil/lehrer productions woodruff: evidence suggests that since 2006 a secretive chinese military unit has hacked the computer systems of more than one hundred u.s. corporations and organizations. good evening. i m judy woodruff. ifill: and i m gwen ifill. on the newshour tonight, we assess the damage done by the cyber attacks, and explore the motivations behind what appear to be china s systematic targeting of foreign firms and governments. woodruff: then, we turn to today s arguments at the supreme court over a patent case with implications for biotechnology giant monsanto, and a range of fields from medical research to computer software. ifill: we continue our weeklong focus on guns, after newtown. tonight jeffrey brown reports on the possible links, if any, between violent video games and violent behavior. the result clearly shows that playing a violent video game increases aggressive behavior. one o
ifill: we continue our weeklong focus on guns, after newtown. tonight jeffrey brown reports on the possible links, if any, between violent video games and violent behavior. the result clearly shows that playing a violent video game increases aggressive behavior. one of the problems in this field is that people confuse aggression and violence. woodruff: and margaret warner gets an update on the oscar pistorius murder trial in south africa, as the prosecution and the defense lay out conflicting accounts of the events leading to his girlfriend s death. that s all ahead on tonight s newshour. major funding for the pbs newshour has been provided by: moving our economy for 160 years. bnsf, the engine that connects us. and by the bill and melinda gates foundation. dedicated to the idea that all people deserve the chance to live a healthy, productive life. and with the ongoing support of these institutions and foundations. and. this program was made possible by the
fields from medical research to computer software. ifill: we continue our weeklong focus on guns, after newtown. tonight jeffrey brown reports on the possible links, if any, between violent video games and violent behavior. the result clearly shows that playing a violent video game increases aggressive behavior. one of the problems in this field is that people confuse aggression and violence. woodruff: and margaret warner gets an update on the oscar pistorius murder trial in south africa, as the prosecution and the defense lay out conflicting accounts of the events leading to his girlfriend s death. that s all ahead on tonight s newshour. major funding for the pbs newshour has been provided by: moving our economy for 160 years. bnsf, the engine that connects us. and by the bill and melinda gates foundation. dedicated to the idea that all people deserve the chance to live a healthy, productive lif and with the ongoing support of these institutions and foundatio
woodruff: a u.s. security firm charged today there s an all-out effort to break into computer systems in the u.s. and elsewhere. the report laid out an extensive case against china and its military. the newest allegations of cyber attacks by the chinese government came up at the white house today. reporters asked spokesman jay carney about a study that blames china s military for a large-scale years-long hacking campaign. we have repeatedly raised our concerns at the highest levels about cyber attacks with senior chinese officials, including in the military, and we will continue to do so. woodruff: the report alleges this nondescript 12-story office building is the locus of the hacking. it s situated in shanghai and is run by unit 61398, a bureau within the general staff of the people s liberation army. a virginia-based security firm, man yant corporation, traced the hacking there and concluded it is one of the most prolific cyber espionage groups in terms of the here i
you are linked to the violent captioning sponsored by macneil/lehrer productions woodruff: evidence suggests that since 2006 a secretive chinese military unit has hacked the computer systems of more than one hundred u.s. corporations and organizations. good evening. i m judy woodruff. ifill: and i m gwen ifill. on the newshour tonight, we assess the damage done by the cyber attacks, and explore the motivations behind what appear to be china s systematic targeting of foreign firms and governments. woodruff: then, we turn to today s arguments at the supreme court over a patent case with implications for biotechnology giant monsanto, and a range of fields from medical research to computer software. ifill: we continue our weeklong focus on guns, after newtown. tonight jeffrey brown reports on the possible links, if any, between violent video games and violent behavior. the result clearly shows that playing a violent video game increases aggressive behavior. one o