horror at fort hood, a mass shooting at an army base in the u.s. tonight, the death toll is rising, as the military and the fbi tried to figure out what sparked the outburst. hello, everyone. i m vic carter. and i m denise koch. here s what people are talking about. breaking news, a shocking mass shooting at the world s largest army base. just moments ago, cbs reports that the gunman is identified as major maleak sadal bassan, a licensed psychiatrist. he opened fire on his fellow shoulders in fort hood, leaving 12 dead and dozens injured. teri okita has more. reporter: a dozen people are dead and more than 30 injured, after a mass shooting at the fort hood army post in texas. it s a terrible tragedy. stunning. difficult enough when we lose these brave americans in battles overseas. it is horrifying that they should come under fire at an army base on american soil. reporter: the army says one gunman, a soldier, has been shot and killed. but there were reports o