In january 2011, democratic u. s. representative gabrielle giffords was shot in the head and wounded. questions were raised about whether the gunman, jared loughner, had been influenced by

The answer is the violent imagery and rhetoric used by conservative politicians. Investigators recognized the gunman as Jared Lee Loughner, age 22, and said that he was declining to collaborate with the specialists and had appealed his Fifth Amendment privileges. Mr. Loughner was in safekeeping with the Federal Bureau of Investigation on Saturday evening, the Pima County sheriff’s office held.

the answer is

c. troops marched forward in close formation against newer, more accurate weapons